Home / 432,822.60-649,233.90-327,846.60

Finding the Fourth Proportional to 432,822.60, 649,233.90 and 327,846.60

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Solution

The fourth proportional to 432,822.60, 649,233.90 and 327,846.60 is: 491,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,822.60 : 649,233.90 = 327,846.60 : x
  2. Step 2: Convert to fraction form
    432,822.60/649,233.90 = 327,846.60/x
  3. Step 3: Cross multiply
    432,822.60x = 649,233.90 × 327,846.60
  4. Step 4: Simplify right side
    432,822.60x = 212,849,126,719.74
  5. Step 5: Solve for x
    x = 212,849,126,719.74/432,822.60
  6. Step 6: Final answer
    x = 491,769.90

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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.