Home / 488,747.40-733,121.10-445,444.80

Finding the Fourth Proportional to 488,747.40, 733,121.10 and 445,444.80

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Solution

The fourth proportional to 488,747.40, 733,121.10 and 445,444.80 is: 668,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,747.40 : 733,121.10 = 445,444.80 : x
  2. Step 2: Convert to fraction form
    488,747.40/733,121.10 = 445,444.80/x
  3. Step 3: Cross multiply
    488,747.40x = 733,121.10 × 445,444.80
  4. Step 4: Simplify right side
    488,747.40x = 326,564,981,765.28
  5. Step 5: Solve for x
    x = 326,564,981,765.28/488,747.40
  6. Step 6: Final answer
    x = 668,167.20

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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.