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Finding the Fourth Proportional to 629,499.60, 944,528.36 and 329,908.88

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Solution

The fourth proportional to 629,499.60, 944,528.36 and 329,908.88 is: 495,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,499.60 : 944,528.36 = 329,908.88 : x
  2. Step 2: Convert to fraction form
    629,499.60/944,528.36 = 329,908.88/x
  3. Step 3: Cross multiply
    629,499.60x = 944,528.36 × 329,908.88
  4. Step 4: Simplify right side
    629,499.60x = 311,608,293,375.84
  5. Step 5: Solve for x
    x = 311,608,293,375.84/629,499.60
  6. Step 6: Final answer
    x = 495,009.52

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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.