Home / 681,766.82-1,022,650.22-261,042.68

Finding the Fourth Proportional to 681,766.82, 1,022,650.22 and 261,042.68

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Solution

The fourth proportional to 681,766.82, 1,022,650.22 and 261,042.68 is: 391,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,766.82 : 1,022,650.22 = 261,042.68 : x
  2. Step 2: Convert to fraction form
    681,766.82/1,022,650.22 = 261,042.68/x
  3. Step 3: Cross multiply
    681,766.82x = 1,022,650.22 × 261,042.68
  4. Step 4: Simplify right side
    681,766.82x = 266,955,354,131.39
  5. Step 5: Solve for x
    x = 266,955,354,131.39/681,766.82
  6. Step 6: Final answer
    x = 391,564.02

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Similar ratio
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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.