Home / 629,272.11-868,408.92-342,791.58

Finding the Fourth Proportional to 629,272.11, 868,408.92 and 342,791.58

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Solution

The fourth proportional to 629,272.11, 868,408.92 and 342,791.58 is: 473,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,272.11 : 868,408.92 = 342,791.58 : x
  2. Step 2: Convert to fraction form
    629,272.11/868,408.92 = 342,791.58/x
  3. Step 3: Cross multiply
    629,272.11x = 868,408.92 × 342,791.58
  4. Step 4: Simplify right side
    629,272.11x = 297,683,265,772.89
  5. Step 5: Solve for x
    x = 297,683,265,772.89/629,272.11
  6. Step 6: Final answer
    x = 473,059.68

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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.