Home / 731,147.60-1,096,743.84-198,679.88

Finding the Fourth Proportional to 731,147.60, 1,096,743.84 and 198,679.88

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Solution

The fourth proportional to 731,147.60, 1,096,743.84 and 198,679.88 is: 298,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,147.60 : 1,096,743.84 = 198,679.88 : x
  2. Step 2: Convert to fraction form
    731,147.60/1,096,743.84 = 198,679.88/x
  3. Step 3: Cross multiply
    731,147.60x = 1,096,743.84 × 198,679.88
  4. Step 4: Simplify right side
    731,147.60x = 217,900,934,521.94
  5. Step 5: Solve for x
    x = 217,900,934,521.94/731,147.60
  6. Step 6: Final answer
    x = 298,025.92

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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.