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Finding the Fourth Proportional to 490,812.10, 736,218.15 and 332,181.70

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Solution

The fourth proportional to 490,812.10, 736,218.15 and 332,181.70 is: 498,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,812.10 : 736,218.15 = 332,181.70 : x
  2. Step 2: Convert to fraction form
    490,812.10/736,218.15 = 332,181.70/x
  3. Step 3: Cross multiply
    490,812.10x = 736,218.15 × 332,181.70
  4. Step 4: Simplify right side
    490,812.10x = 244,558,196,637.86
  5. Step 5: Solve for x
    x = 244,558,196,637.86/490,812.10
  6. Step 6: Final answer
    x = 498,272.55

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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.