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Finding the Fourth Proportional to 603,233.20, 905,505.90 and 337,512.70

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Solution

The fourth proportional to 603,233.20, 905,505.90 and 337,512.70 is: 506,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,233.20 : 905,505.90 = 337,512.70 : x
  2. Step 2: Convert to fraction form
    603,233.20/905,505.90 = 337,512.70/x
  3. Step 3: Cross multiply
    603,233.20x = 905,505.90 × 337,512.70
  4. Step 4: Simplify right side
    603,233.20x = 305,619,741,174.93
  5. Step 5: Solve for x
    x = 305,619,741,174.93/603,233.20
  6. Step 6: Final answer
    x = 506,636.14

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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.