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Finding the Fourth Proportional to 664,269.80, 996,404.70 and 264,704.90

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Solution

The fourth proportional to 664,269.80, 996,404.70 and 264,704.90 is: 397,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,269.80 : 996,404.70 = 264,704.90 : x
  2. Step 2: Convert to fraction form
    664,269.80/996,404.70 = 264,704.90/x
  3. Step 3: Cross multiply
    664,269.80x = 996,404.70 × 264,704.90
  4. Step 4: Simplify right side
    664,269.80x = 263,753,206,473.03
  5. Step 5: Solve for x
    x = 263,753,206,473.03/664,269.80
  6. Step 6: Final answer
    x = 397,057.35

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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.