Home / 432,820.10-649,230.15-327,844.10

Finding the Fourth Proportional to 432,820.10, 649,230.15 and 327,844.10

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Solution

The fourth proportional to 432,820.10, 649,230.15 and 327,844.10 is: 491,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,820.10 : 649,230.15 = 327,844.10 : x
  2. Step 2: Convert to fraction form
    432,820.10/649,230.15 = 327,844.10/x
  3. Step 3: Cross multiply
    432,820.10x = 649,230.15 × 327,844.10
  4. Step 4: Simplify right side
    432,820.10x = 212,846,274,219.62
  5. Step 5: Solve for x
    x = 212,846,274,219.62/432,820.10
  6. Step 6: Final answer
    x = 491,766.15

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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.