Home / 724,606.20-1,085,253.80-345,792.92

Finding the Fourth Proportional to 724,606.20, 1,085,253.80 and 345,792.92

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Solution

The fourth proportional to 724,606.20, 1,085,253.80 and 345,792.92 is: 517,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,606.20 : 1,085,253.80 = 345,792.92 : x
  2. Step 2: Convert to fraction form
    724,606.20/1,085,253.80 = 345,792.92/x
  3. Step 3: Cross multiply
    724,606.20x = 1,085,253.80 × 345,792.92
  4. Step 4: Simplify right side
    724,606.20x = 375,273,073,287.86
  5. Step 5: Solve for x
    x = 375,273,073,287.86/724,606.20
  6. Step 6: Final answer
    x = 517,899.34

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Double scale
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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.