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Finding the Fourth Proportional to 664,366.20, 996,549.30 and 365,767.80

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Solution

The fourth proportional to 664,366.20, 996,549.30 and 365,767.80 is: 548,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,366.20 : 996,549.30 = 365,767.80 : x
  2. Step 2: Convert to fraction form
    664,366.20/996,549.30 = 365,767.80/x
  3. Step 3: Cross multiply
    664,366.20x = 996,549.30 × 365,767.80
  4. Step 4: Simplify right side
    664,366.20x = 364,505,645,052.54
  5. Step 5: Solve for x
    x = 364,505,645,052.54/664,366.20
  6. Step 6: Final answer
    x = 548,651.70

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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.