Home / 629,242.11-868,367.52-342,761.58

Finding the Fourth Proportional to 629,242.11, 868,367.52 and 342,761.58

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Solution

The fourth proportional to 629,242.11, 868,367.52 and 342,761.58 is: 473,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,242.11 : 868,367.52 = 342,761.58 : x
  2. Step 2: Convert to fraction form
    629,242.11/868,367.52 = 342,761.58/x
  3. Step 3: Cross multiply
    629,242.11x = 868,367.52 × 342,761.58
  4. Step 4: Simplify right side
    629,242.11x = 297,643,023,175.88
  5. Step 5: Solve for x
    x = 297,643,023,175.88/629,242.11
  6. Step 6: Final answer
    x = 473,018.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.