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Finding the Fourth Proportional to 487,370.12, 730,793.81 and 271,296.95

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Solution

The fourth proportional to 487,370.12, 730,793.81 and 271,296.95 is: 406,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,370.12 : 730,793.81 = 271,296.95 : x
  2. Step 2: Convert to fraction form
    487,370.12/730,793.81 = 271,296.95/x
  3. Step 3: Cross multiply
    487,370.12x = 730,793.81 × 271,296.95
  4. Step 4: Simplify right side
    487,370.12x = 198,262,128,756.15
  5. Step 5: Solve for x
    x = 198,262,128,756.15/487,370.12
  6. Step 6: Final answer
    x = 406,799.93

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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.