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Finding the Fourth Proportional to 546,515.20, 819,772.80 and 504,524.80

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Solution

The fourth proportional to 546,515.20, 819,772.80 and 504,524.80 is: 756,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,515.20 : 819,772.80 = 504,524.80 : x
  2. Step 2: Convert to fraction form
    546,515.20/819,772.80 = 504,524.80/x
  3. Step 3: Cross multiply
    546,515.20x = 819,772.80 × 504,524.80
  4. Step 4: Simplify right side
    546,515.20x = 413,595,707,965.44
  5. Step 5: Solve for x
    x = 413,595,707,965.44/546,515.20
  6. Step 6: Final answer
    x = 756,787.20

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Similar ratio
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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.