Home / 800,198.96-1,200,929.45-351,229.73

Finding the Fourth Proportional to 800,198.96, 1,200,929.45 and 351,229.73

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Solution

The fourth proportional to 800,198.96, 1,200,929.45 and 351,229.73 is: 527,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,198.96 : 1,200,929.45 = 351,229.73 : x
  2. Step 2: Convert to fraction form
    800,198.96/1,200,929.45 = 351,229.73/x
  3. Step 3: Cross multiply
    800,198.96x = 1,200,929.45 × 351,229.73
  4. Step 4: Simplify right side
    800,198.96x = 421,802,118,711.75
  5. Step 5: Solve for x
    x = 421,802,118,711.75/800,198.96
  6. Step 6: Final answer
    x = 527,121.56

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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.