Home / 987,691.22-1,363,013.93-534,982.22

Finding the Fourth Proportional to 987,691.22, 1,363,013.93 and 534,982.22

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Solution

The fourth proportional to 987,691.22, 1,363,013.93 and 534,982.22 is: 738,275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,691.22 : 1,363,013.93 = 534,982.22 : x
  2. Step 2: Convert to fraction form
    987,691.22/1,363,013.93 = 534,982.22/x
  3. Step 3: Cross multiply
    987,691.22x = 1,363,013.93 × 534,982.22
  4. Step 4: Simplify right side
    987,691.22x = 729,188,217,796.01
  5. Step 5: Solve for x
    x = 729,188,217,796.01/987,691.22
  6. Step 6: Final answer
    x = 738,275.49

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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.