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Finding the Fourth Proportional to 664,794.11, 997,502.58 and 327,650.97

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Solution

The fourth proportional to 664,794.11, 997,502.58 and 327,650.97 is: 491,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,794.11 : 997,502.58 = 327,650.97 : x
  2. Step 2: Convert to fraction form
    664,794.11/997,502.58 = 327,650.97/x
  3. Step 3: Cross multiply
    664,794.11x = 997,502.58 × 327,650.97
  4. Step 4: Simplify right side
    664,794.11x = 326,832,687,914.50
  5. Step 5: Solve for x
    x = 326,832,687,914.50/664,794.11
  6. Step 6: Final answer
    x = 491,629.94

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Double scale
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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.