Home / 824,041.60-1,235,947.20-263,132.80

Finding the Fourth Proportional to 824,041.60, 1,235,947.20 and 263,132.80

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Solution

The fourth proportional to 824,041.60, 1,235,947.20 and 263,132.80 is: 394,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,041.60 : 1,235,947.20 = 263,132.80 : x
  2. Step 2: Convert to fraction form
    824,041.60/1,235,947.20 = 263,132.80/x
  3. Step 3: Cross multiply
    824,041.60x = 1,235,947.20 × 263,132.80
  4. Step 4: Simplify right side
    824,041.60x = 325,218,247,388.16
  5. Step 5: Solve for x
    x = 325,218,247,388.16/824,041.60
  6. Step 6: Final answer
    x = 394,662.41

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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.