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Finding the Fourth Proportional to 629,398.22, 944,103.95 and 503,836.66

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Solution

The fourth proportional to 629,398.22, 944,103.95 and 503,836.66 is: 755,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,398.22 : 944,103.95 = 503,836.66 : x
  2. Step 2: Convert to fraction form
    629,398.22/944,103.95 = 503,836.66/x
  3. Step 3: Cross multiply
    629,398.22x = 944,103.95 × 503,836.66
  4. Step 4: Simplify right side
    629,398.22x = 475,674,180,860.81
  5. Step 5: Solve for x
    x = 475,674,180,860.81/629,398.22
  6. Step 6: Final answer
    x = 755,760.29

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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.