Home / 726,149.10-1,002,098.64-403,859.34

Finding the Fourth Proportional to 726,149.10, 1,002,098.64 and 403,859.34

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Solution

The fourth proportional to 726,149.10, 1,002,098.64 and 403,859.34 is: 557,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,149.10 : 1,002,098.64 = 403,859.34 : x
  2. Step 2: Convert to fraction form
    726,149.10/1,002,098.64 = 403,859.34/x
  3. Step 3: Cross multiply
    726,149.10x = 1,002,098.64 × 403,859.34
  4. Step 4: Simplify right side
    726,149.10x = 404,706,895,365.30
  5. Step 5: Solve for x
    x = 404,706,895,365.30/726,149.10
  6. Step 6: Final answer
    x = 557,333.05

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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.