Home / 782,002.60-1,173,003.90-332,610.55

Finding the Fourth Proportional to 782,002.60, 1,173,003.90 and 332,610.55

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Solution

The fourth proportional to 782,002.60, 1,173,003.90 and 332,610.55 is: 498,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,002.60 : 1,173,003.90 = 332,610.55 : x
  2. Step 2: Convert to fraction form
    782,002.60/1,173,003.90 = 332,610.55/x
  3. Step 3: Cross multiply
    782,002.60x = 1,173,003.90 × 332,610.55
  4. Step 4: Simplify right side
    782,002.60x = 390,153,472,331.15
  5. Step 5: Solve for x
    x = 390,153,472,331.15/782,002.60
  6. Step 6: Final answer
    x = 498,915.83

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Similar ratio
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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.