Home / 629,921.80-944,882.70-488,204.20

Finding the Fourth Proportional to 629,921.80, 944,882.70 and 488,204.20

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Solution

The fourth proportional to 629,921.80, 944,882.70 and 488,204.20 is: 732,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,921.80 : 944,882.70 = 488,204.20 : x
  2. Step 2: Convert to fraction form
    629,921.80/944,882.70 = 488,204.20/x
  3. Step 3: Cross multiply
    629,921.80x = 944,882.70 × 488,204.20
  4. Step 4: Simplify right side
    629,921.80x = 461,295,702,647.34
  5. Step 5: Solve for x
    x = 461,295,702,647.34/629,921.80
  6. Step 6: Final answer
    x = 732,306.30

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Double scale
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Similar ratio
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1.5x scale

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.