Home / 579,767.60-869,651.40-159,042.80

Finding the Fourth Proportional to 579,767.60, 869,651.40 and 159,042.80

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Solution

The fourth proportional to 579,767.60, 869,651.40 and 159,042.80 is: 238,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,767.60 : 869,651.40 = 159,042.80 : x
  2. Step 2: Convert to fraction form
    579,767.60/869,651.40 = 159,042.80/x
  3. Step 3: Cross multiply
    579,767.60x = 869,651.40 × 159,042.80
  4. Step 4: Simplify right side
    579,767.60x = 138,311,793,679.92
  5. Step 5: Solve for x
    x = 138,311,793,679.92/579,767.60
  6. Step 6: Final answer
    x = 238,564.20

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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.