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Finding the Fourth Proportional to 498,587.10, 747,880.65 and 443,474.70

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Solution

The fourth proportional to 498,587.10, 747,880.65 and 443,474.70 is: 665,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,587.10 : 747,880.65 = 443,474.70 : x
  2. Step 2: Convert to fraction form
    498,587.10/747,880.65 = 443,474.70/x
  3. Step 3: Cross multiply
    498,587.10x = 747,880.65 × 443,474.70
  4. Step 4: Simplify right side
    498,587.10x = 331,666,146,894.56
  5. Step 5: Solve for x
    x = 331,666,146,894.56/498,587.10
  6. Step 6: Final answer
    x = 665,212.05

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Similar ratio
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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.