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Finding the Fourth Proportional to 629,584.92, 944,656.29 and 329,994.27

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Solution

The fourth proportional to 629,584.92, 944,656.29 and 329,994.27 is: 495,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,584.92 : 944,656.29 = 329,994.27 : x
  2. Step 2: Convert to fraction form
    629,584.92/944,656.29 = 329,994.27/x
  3. Step 3: Cross multiply
    629,584.92x = 944,656.29 × 329,994.27
  4. Step 4: Simplify right side
    629,584.92x = 311,731,162,819.46
  5. Step 5: Solve for x
    x = 311,731,162,819.46/629,584.92
  6. Step 6: Final answer
    x = 495,137.59

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Double scale
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Similar ratio
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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.