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Finding the Fourth Proportional to 664,474.10, 996,856.95 and 327,676.10

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Solution

The fourth proportional to 664,474.10, 996,856.95 and 327,676.10 is: 491,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,474.10 : 996,856.95 = 327,676.10 : x
  2. Step 2: Convert to fraction form
    664,474.10/996,856.95 = 327,676.10/x
  3. Step 3: Cross multiply
    664,474.10x = 996,856.95 × 327,676.10
  4. Step 4: Simplify right side
    664,474.10x = 326,646,197,633.90
  5. Step 5: Solve for x
    x = 326,646,197,633.90/664,474.10
  6. Step 6: Final answer
    x = 491,586.05

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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.