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Finding the Fourth Proportional to 482,665.80, 723,998.70 and 305,956.20

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Solution

The fourth proportional to 482,665.80, 723,998.70 and 305,956.20 is: 458,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,665.80 : 723,998.70 = 305,956.20 : x
  2. Step 2: Convert to fraction form
    482,665.80/723,998.70 = 305,956.20/x
  3. Step 3: Cross multiply
    482,665.80x = 723,998.70 × 305,956.20
  4. Step 4: Simplify right side
    482,665.80x = 221,511,891,056.94
  5. Step 5: Solve for x
    x = 221,511,891,056.94/482,665.80
  6. Step 6: Final answer
    x = 458,934.30

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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.