Home / 726,141.48-1,002,088.11-403,851.71

Finding the Fourth Proportional to 726,141.48, 1,002,088.11 and 403,851.71

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Solution

The fourth proportional to 726,141.48, 1,002,088.11 and 403,851.71 is: 557,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,141.48 : 1,002,088.11 = 403,851.71 : x
  2. Step 2: Convert to fraction form
    726,141.48/1,002,088.11 = 403,851.71/x
  3. Step 3: Cross multiply
    726,141.48x = 1,002,088.11 × 403,851.71
  4. Step 4: Simplify right side
    726,141.48x = 404,694,996,794.17
  5. Step 5: Solve for x
    x = 404,694,996,794.17/726,141.48
  6. Step 6: Final answer
    x = 557,322.52

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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.