Home / 726,272.64-1,002,148.56-403,986.96

Finding the Fourth Proportional to 726,272.64, 1,002,148.56 and 403,986.96

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Solution

The fourth proportional to 726,272.64, 1,002,148.56 and 403,986.96 is: 557,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,272.64 : 1,002,148.56 = 403,986.96 : x
  2. Step 2: Convert to fraction form
    726,272.64/1,002,148.56 = 403,986.96/x
  3. Step 3: Cross multiply
    726,272.64x = 1,002,148.56 × 403,986.96
  4. Step 4: Simplify right side
    726,272.64x = 404,854,950,222.78
  5. Step 5: Solve for x
    x = 404,854,950,222.78/726,272.64
  6. Step 6: Final answer
    x = 557,442.11

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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.