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Finding the Fourth Proportional to 449,200.60, 673,800.90 and 443,295.70

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Solution

The fourth proportional to 449,200.60, 673,800.90 and 443,295.70 is: 664,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,200.60 : 673,800.90 = 443,295.70 : x
  2. Step 2: Convert to fraction form
    449,200.60/673,800.90 = 443,295.70/x
  3. Step 3: Cross multiply
    449,200.60x = 673,800.90 × 443,295.70
  4. Step 4: Simplify right side
    449,200.60x = 298,693,041,626.13
  5. Step 5: Solve for x
    x = 298,693,041,626.13/449,200.60
  6. Step 6: Final answer
    x = 664,943.55

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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.