Home / 681,814.25-1,022,869.01-261,090.13

Finding the Fourth Proportional to 681,814.25, 1,022,869.01 and 261,090.13

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Solution

The fourth proportional to 681,814.25, 1,022,869.01 and 261,090.13 is: 391,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,814.25 : 1,022,869.01 = 261,090.13 : x
  2. Step 2: Convert to fraction form
    681,814.25/1,022,869.01 = 261,090.13/x
  3. Step 3: Cross multiply
    681,814.25x = 1,022,869.01 × 261,090.13
  4. Step 4: Simplify right side
    681,814.25x = 267,061,002,793.87
  5. Step 5: Solve for x
    x = 267,061,002,793.87/681,814.25
  6. Step 6: Final answer
    x = 391,691.73

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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.