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Finding the Fourth Proportional to 546,801.35, 820,202.03 and 447,074.15

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Solution

The fourth proportional to 546,801.35, 820,202.03 and 447,074.15 is: 670,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,801.35 : 820,202.03 = 447,074.15 : x
  2. Step 2: Convert to fraction form
    546,801.35/820,202.03 = 447,074.15/x
  3. Step 3: Cross multiply
    546,801.35x = 820,202.03 × 447,074.15
  4. Step 4: Simplify right side
    546,801.35x = 366,691,123,155.15
  5. Step 5: Solve for x
    x = 366,691,123,155.15/546,801.35
  6. Step 6: Final answer
    x = 670,611.23

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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.