Home / 726,239.29-1,002,186.17-403,940.29

Finding the Fourth Proportional to 726,239.29, 1,002,186.17 and 403,940.29

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Solution

The fourth proportional to 726,239.29, 1,002,186.17 and 403,940.29 is: 557,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,239.29 : 1,002,186.17 = 403,940.29 : x
  2. Step 2: Convert to fraction form
    726,239.29/1,002,186.17 = 403,940.29/x
  3. Step 3: Cross multiply
    726,239.29x = 1,002,186.17 × 403,940.29
  4. Step 4: Simplify right side
    726,239.29x = 404,823,372,143.79
  5. Step 5: Solve for x
    x = 404,823,372,143.79/726,239.29
  6. Step 6: Final answer
    x = 557,424.22

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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.