Home / 578,755.10-868,132.65-204,815.90

Finding the Fourth Proportional to 578,755.10, 868,132.65 and 204,815.90

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Solution

The fourth proportional to 578,755.10, 868,132.65 and 204,815.90 is: 307,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,755.10 : 868,132.65 = 204,815.90 : x
  2. Step 2: Convert to fraction form
    578,755.10/868,132.65 = 204,815.90/x
  3. Step 3: Cross multiply
    578,755.10x = 868,132.65 × 204,815.90
  4. Step 4: Simplify right side
    578,755.10x = 177,807,370,029.14
  5. Step 5: Solve for x
    x = 177,807,370,029.14/578,755.10
  6. Step 6: Final answer
    x = 307,223.85

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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.