Home / 726,151.61-1,002,126.26-403,868

Finding the Fourth Proportional to 726,151.61, 1,002,126.26 and 403,868

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Solution

The fourth proportional to 726,151.61, 1,002,126.26 and 403,868 is: 557,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,151.61 : 1,002,126.26 = 403,868 : x
  2. Step 2: Convert to fraction form
    726,151.61/1,002,126.26 = 403,868/x
  3. Step 3: Cross multiply
    726,151.61x = 1,002,126.26 × 403,868
  4. Step 4: Simplify right side
    726,151.61x = 404,726,728,373.68
  5. Step 5: Solve for x
    x = 404,726,728,373.68/726,151.61
  6. Step 6: Final answer
    x = 557,358.44

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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.