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Finding the Fourth Proportional to 661,540.97, 991,524.11 and 460,774.37

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Solution

The fourth proportional to 661,540.97, 991,524.11 and 460,774.37 is: 690,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,540.97 : 991,524.11 = 460,774.37 : x
  2. Step 2: Convert to fraction form
    661,540.97/991,524.11 = 460,774.37/x
  3. Step 3: Cross multiply
    661,540.97x = 991,524.11 × 460,774.37
  4. Step 4: Simplify right side
    661,540.97x = 456,868,897,300.00
  5. Step 5: Solve for x
    x = 456,868,897,300.00/661,540.97
  6. Step 6: Final answer
    x = 690,613.15

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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.