Home / 892,251.28-1,338,377.78-734,147.38

Finding the Fourth Proportional to 892,251.28, 1,338,377.78 and 734,147.38

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Solution

The fourth proportional to 892,251.28, 1,338,377.78 and 734,147.38 is: 1,101,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,251.28 : 1,338,377.78 = 734,147.38 : x
  2. Step 2: Convert to fraction form
    892,251.28/1,338,377.78 = 734,147.38/x
  3. Step 3: Cross multiply
    892,251.28x = 1,338,377.78 × 734,147.38
  4. Step 4: Simplify right side
    892,251.28x = 982,566,540,637.22
  5. Step 5: Solve for x
    x = 982,566,540,637.22/892,251.28
  6. Step 6: Final answer
    x = 1,101,221.78

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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.