Home / 726,087.80-1,002,001.02-408,135.80

Finding the Fourth Proportional to 726,087.80, 1,002,001.02 and 408,135.80

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Solution

The fourth proportional to 726,087.80, 1,002,001.02 and 408,135.80 is: 563,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,087.80 : 1,002,001.02 = 408,135.80 : x
  2. Step 2: Convert to fraction form
    726,087.80/1,002,001.02 = 408,135.80/x
  3. Step 3: Cross multiply
    726,087.80x = 1,002,001.02 × 408,135.80
  4. Step 4: Simplify right side
    726,087.80x = 408,952,487,898.52
  5. Step 5: Solve for x
    x = 408,952,487,898.52/726,087.80
  6. Step 6: Final answer
    x = 563,227.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.