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Finding the Fourth Proportional to 629,793.65, 944,690.49 and 209,069.52

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Solution

The fourth proportional to 629,793.65, 944,690.49 and 209,069.52 is: 313,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,793.65 : 944,690.49 = 209,069.52 : x
  2. Step 2: Convert to fraction form
    629,793.65/944,690.49 = 209,069.52/x
  3. Step 3: Cross multiply
    629,793.65x = 944,690.49 × 209,069.52
  4. Step 4: Simplify right side
    629,793.65x = 197,505,987,292.87
  5. Step 5: Solve for x
    x = 197,505,987,292.87/629,793.65
  6. Step 6: Final answer
    x = 313,604.29

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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.