Home / 726,744.61-1,002,894.10-404,451.87

Finding the Fourth Proportional to 726,744.61, 1,002,894.10 and 404,451.87

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Solution

The fourth proportional to 726,744.61, 1,002,894.10 and 404,451.87 is: 558,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,744.61 : 1,002,894.10 = 404,451.87 : x
  2. Step 2: Convert to fraction form
    726,744.61/1,002,894.10 = 404,451.87/x
  3. Step 3: Cross multiply
    726,744.61x = 1,002,894.10 × 404,451.87
  4. Step 4: Simplify right side
    726,744.61x = 405,622,394,156.97
  5. Step 5: Solve for x
    x = 405,622,394,156.97/726,744.61
  6. Step 6: Final answer
    x = 558,136.09

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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.