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Finding the Fourth Proportional to 395,255.43, 591,504.12 and 323,346.87

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Solution

The fourth proportional to 395,255.43, 591,504.12 and 323,346.87 is: 483,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,255.43 : 591,504.12 = 323,346.87 : x
  2. Step 2: Convert to fraction form
    395,255.43/591,504.12 = 323,346.87/x
  3. Step 3: Cross multiply
    395,255.43x = 591,504.12 × 323,346.87
  4. Step 4: Simplify right side
    395,255.43x = 191,261,005,794.10
  5. Step 5: Solve for x
    x = 191,261,005,794.10/395,255.43
  6. Step 6: Final answer
    x = 483,892.17

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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.