Home / 865,740.20-1,299,266.40-566,121.20

Finding the Fourth Proportional to 865,740.20, 1,299,266.40 and 566,121.20

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Solution

The fourth proportional to 865,740.20, 1,299,266.40 and 566,121.20 is: 849,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,740.20 : 1,299,266.40 = 566,121.20 : x
  2. Step 2: Convert to fraction form
    865,740.20/1,299,266.40 = 566,121.20/x
  3. Step 3: Cross multiply
    865,740.20x = 1,299,266.40 × 566,121.20
  4. Step 4: Simplify right side
    865,740.20x = 735,542,253,487.68
  5. Step 5: Solve for x
    x = 735,542,253,487.68/865,740.20
  6. Step 6: Final answer
    x = 849,610.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.