Home / 731,221.20-1,096,313.40-281,768.40

Finding the Fourth Proportional to 731,221.20, 1,096,313.40 and 281,768.40

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Solution

The fourth proportional to 731,221.20, 1,096,313.40 and 281,768.40 is: 422,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,221.20 : 1,096,313.40 = 281,768.40 : x
  2. Step 2: Convert to fraction form
    731,221.20/1,096,313.40 = 281,768.40/x
  3. Step 3: Cross multiply
    731,221.20x = 1,096,313.40 × 281,768.40
  4. Step 4: Simplify right side
    731,221.20x = 308,906,472,616.56
  5. Step 5: Solve for x
    x = 308,906,472,616.56/731,221.20
  6. Step 6: Final answer
    x = 422,452.84

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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.