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Finding the Fourth Proportional to 629,423.82, 944,958.78 and 373,723.11

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Solution

The fourth proportional to 629,423.82, 944,958.78 and 373,723.11 is: 561,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,423.82 : 944,958.78 = 373,723.11 : x
  2. Step 2: Convert to fraction form
    629,423.82/944,958.78 = 373,723.11/x
  3. Step 3: Cross multiply
    629,423.82x = 944,958.78 × 373,723.11
  4. Step 4: Simplify right side
    629,423.82x = 353,152,934,083.41
  5. Step 5: Solve for x
    x = 353,152,934,083.41/629,423.82
  6. Step 6: Final answer
    x = 561,073.35

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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.