Home / 782,891.60-1,174,337.40-284,190.80

Finding the Fourth Proportional to 782,891.60, 1,174,337.40 and 284,190.80

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Solution

The fourth proportional to 782,891.60, 1,174,337.40 and 284,190.80 is: 426,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,891.60 : 1,174,337.40 = 284,190.80 : x
  2. Step 2: Convert to fraction form
    782,891.60/1,174,337.40 = 284,190.80/x
  3. Step 3: Cross multiply
    782,891.60x = 1,174,337.40 × 284,190.80
  4. Step 4: Simplify right side
    782,891.60x = 333,735,885,175.92
  5. Step 5: Solve for x
    x = 333,735,885,175.92/782,891.60
  6. Step 6: Final answer
    x = 426,286.20

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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.