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Finding the Fourth Proportional to 664,506.10, 996,904.95 and 327,708.10

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Solution

The fourth proportional to 664,506.10, 996,904.95 and 327,708.10 is: 491,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,506.10 : 996,904.95 = 327,708.10 : x
  2. Step 2: Convert to fraction form
    664,506.10/996,904.95 = 327,708.10/x
  3. Step 3: Cross multiply
    664,506.10x = 996,904.95 × 327,708.10
  4. Step 4: Simplify right side
    664,506.10x = 326,693,827,045.10
  5. Step 5: Solve for x
    x = 326,693,827,045.10/664,506.10
  6. Step 6: Final answer
    x = 491,634.05

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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.