Home / 726,144.24-1,002,091.92-403,854.48

Finding the Fourth Proportional to 726,144.24, 1,002,091.92 and 403,854.48

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Solution

The fourth proportional to 726,144.24, 1,002,091.92 and 403,854.48 is: 557,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,144.24 : 1,002,091.92 = 403,854.48 : x
  2. Step 2: Convert to fraction form
    726,144.24/1,002,091.92 = 403,854.48/x
  3. Step 3: Cross multiply
    726,144.24x = 1,002,091.92 × 403,854.48
  4. Step 4: Simplify right side
    726,144.24x = 404,699,311,263.80
  5. Step 5: Solve for x
    x = 404,699,311,263.80/726,144.24
  6. Step 6: Final answer
    x = 557,326.34

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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.