Home / 892,363.28-1,338,560.76-324,147.44

Finding the Fourth Proportional to 892,363.28, 1,338,560.76 and 324,147.44

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Solution

The fourth proportional to 892,363.28, 1,338,560.76 and 324,147.44 is: 486,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,363.28 : 1,338,560.76 = 324,147.44 : x
  2. Step 2: Convert to fraction form
    892,363.28/1,338,560.76 = 324,147.44/x
  3. Step 3: Cross multiply
    892,363.28x = 1,338,560.76 × 324,147.44
  4. Step 4: Simplify right side
    892,363.28x = 433,891,043,638.45
  5. Step 5: Solve for x
    x = 433,891,043,638.45/892,363.28
  6. Step 6: Final answer
    x = 486,226.91

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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.