Home / 629,878.20-944,540.28-230,415.36

Finding the Fourth Proportional to 629,878.20, 944,540.28 and 230,415.36

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Solution

The fourth proportional to 629,878.20, 944,540.28 and 230,415.36 is: 345,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,878.20 : 944,540.28 = 230,415.36 : x
  2. Step 2: Convert to fraction form
    629,878.20/944,540.28 = 230,415.36/x
  3. Step 3: Cross multiply
    629,878.20x = 944,540.28 × 230,415.36
  4. Step 4: Simplify right side
    629,878.20x = 217,636,588,650.70
  5. Step 5: Solve for x
    x = 217,636,588,650.70/629,878.20
  6. Step 6: Final answer
    x = 345,521.70

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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.