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Finding the Fourth Proportional to 489,045.60, 733,568.40 and 471,330.90

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Solution

The fourth proportional to 489,045.60, 733,568.40 and 471,330.90 is: 706,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,045.60 : 733,568.40 = 471,330.90 : x
  2. Step 2: Convert to fraction form
    489,045.60/733,568.40 = 471,330.90/x
  3. Step 3: Cross multiply
    489,045.60x = 733,568.40 × 471,330.90
  4. Step 4: Simplify right side
    489,045.60x = 345,753,454,183.56
  5. Step 5: Solve for x
    x = 345,753,454,183.56/489,045.60
  6. Step 6: Final answer
    x = 706,996.35

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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.