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Finding the Fourth Proportional to 546,727.70, 820,091.55 and 497,738.90

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Solution

The fourth proportional to 546,727.70, 820,091.55 and 497,738.90 is: 746,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,727.70 : 820,091.55 = 497,738.90 : x
  2. Step 2: Convert to fraction form
    546,727.70/820,091.55 = 497,738.90/x
  3. Step 3: Cross multiply
    546,727.70x = 820,091.55 × 497,738.90
  4. Step 4: Simplify right side
    546,727.70x = 408,191,465,996.30
  5. Step 5: Solve for x
    x = 408,191,465,996.30/546,727.70
  6. Step 6: Final answer
    x = 746,608.35

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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.