Home / 654,496.20-980,966.70-275,416.20

Finding the Fourth Proportional to 654,496.20, 980,966.70 and 275,416.20

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Solution

The fourth proportional to 654,496.20, 980,966.70 and 275,416.20 is: 412,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,496.20 : 980,966.70 = 275,416.20 : x
  2. Step 2: Convert to fraction form
    654,496.20/980,966.70 = 275,416.20/x
  3. Step 3: Cross multiply
    654,496.20x = 980,966.70 × 275,416.20
  4. Step 4: Simplify right side
    654,496.20x = 270,174,120,840.54
  5. Step 5: Solve for x
    x = 270,174,120,840.54/654,496.20
  6. Step 6: Final answer
    x = 412,797.08

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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.