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Finding the Fourth Proportional to 664,799.36, 997,510.46 and 327,656.24

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Solution

The fourth proportional to 664,799.36, 997,510.46 and 327,656.24 is: 491,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,799.36 : 997,510.46 = 327,656.24 : x
  2. Step 2: Convert to fraction form
    664,799.36/997,510.46 = 327,656.24/x
  3. Step 3: Cross multiply
    664,799.36x = 997,510.46 × 327,656.24
  4. Step 4: Simplify right side
    664,799.36x = 326,840,526,684.27
  5. Step 5: Solve for x
    x = 326,840,526,684.27/664,799.36
  6. Step 6: Final answer
    x = 491,637.85

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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.