Home / 726,502.06-1,002,577.80-404,225.74

Finding the Fourth Proportional to 726,502.06, 1,002,577.80 and 404,225.74

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Solution

The fourth proportional to 726,502.06, 1,002,577.80 and 404,225.74 is: 557,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,502.06 : 1,002,577.80 = 404,225.74 : x
  2. Step 2: Convert to fraction form
    726,502.06/1,002,577.80 = 404,225.74/x
  3. Step 3: Cross multiply
    726,502.06x = 1,002,577.80 × 404,225.74
  4. Step 4: Simplify right side
    726,502.06x = 405,267,753,112.57
  5. Step 5: Solve for x
    x = 405,267,753,112.57/726,502.06
  6. Step 6: Final answer
    x = 557,834.28

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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.