Home / 488,156.11-732,344.57-263,511.72

Finding the Fourth Proportional to 488,156.11, 732,344.57 and 263,511.72

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Solution

The fourth proportional to 488,156.11, 732,344.57 and 263,511.72 is: 395,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,156.11 : 732,344.57 = 263,511.72 : x
  2. Step 2: Convert to fraction form
    488,156.11/732,344.57 = 263,511.72/x
  3. Step 3: Cross multiply
    488,156.11x = 732,344.57 × 263,511.72
  4. Step 4: Simplify right side
    488,156.11x = 192,981,377,273.36
  5. Step 5: Solve for x
    x = 192,981,377,273.36/488,156.11
  6. Step 6: Final answer
    x = 395,327.18

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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.