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Finding the Fourth Proportional to 547,517.27, 755,524.67 and 305,766.29

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Solution

The fourth proportional to 547,517.27, 755,524.67 and 305,766.29 is: 421,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,517.27 : 755,524.67 = 305,766.29 : x
  2. Step 2: Convert to fraction form
    547,517.27/755,524.67 = 305,766.29/x
  3. Step 3: Cross multiply
    547,517.27x = 755,524.67 × 305,766.29
  4. Step 4: Simplify right side
    547,517.27x = 231,013,975,709.36
  5. Step 5: Solve for x
    x = 231,013,975,709.36/547,517.27
  6. Step 6: Final answer
    x = 421,930.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.