Home / 729,635.60-1,092,120.60-519,683.60

Finding the Fourth Proportional to 729,635.60, 1,092,120.60 and 519,683.60

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Solution

The fourth proportional to 729,635.60, 1,092,120.60 and 519,683.60 is: 777,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,635.60 : 1,092,120.60 = 519,683.60 : x
  2. Step 2: Convert to fraction form
    729,635.60/1,092,120.60 = 519,683.60/x
  3. Step 3: Cross multiply
    729,635.60x = 1,092,120.60 × 519,683.60
  4. Step 4: Simplify right side
    729,635.60x = 567,557,165,042.16
  5. Step 5: Solve for x
    x = 567,557,165,042.16/729,635.60
  6. Step 6: Final answer
    x = 777,863.86

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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.