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Finding the Fourth Proportional to 664,314.10, 996,616.95 and 327,516.10

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Solution

The fourth proportional to 664,314.10, 996,616.95 and 327,516.10 is: 491,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,314.10 : 996,616.95 = 327,516.10 : x
  2. Step 2: Convert to fraction form
    664,314.10/996,616.95 = 327,516.10/x
  3. Step 3: Cross multiply
    664,314.10x = 996,616.95 × 327,516.10
  4. Step 4: Simplify right side
    664,314.10x = 326,408,096,657.90
  5. Step 5: Solve for x
    x = 326,408,096,657.90/664,314.10
  6. Step 6: Final answer
    x = 491,346.03

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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.