Home / 483,947.60-725,921.40-273,995.60

Finding the Fourth Proportional to 483,947.60, 725,921.40 and 273,995.60

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Solution

The fourth proportional to 483,947.60, 725,921.40 and 273,995.60 is: 410,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,947.60 : 725,921.40 = 273,995.60 : x
  2. Step 2: Convert to fraction form
    483,947.60/725,921.40 = 273,995.60/x
  3. Step 3: Cross multiply
    483,947.60x = 725,921.40 × 273,995.60
  4. Step 4: Simplify right side
    483,947.60x = 198,899,269,545.84
  5. Step 5: Solve for x
    x = 198,899,269,545.84/483,947.60
  6. Step 6: Final answer
    x = 410,993.40

Related Problems

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Half scale
Find fourth proportional to 967,895.20, 1,451,842.80 and 547,991.20
Double scale
Find fourth proportional to 483,948.60, 725,922.90 and 273,996.60
Similar ratio
Find fourth proportional to 725,921.40, 1,088,882.10 and 410,993.40
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.