Home / 629,118.96-868,194.02-342,638.80

Finding the Fourth Proportional to 629,118.96, 868,194.02 and 342,638.80

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Solution

The fourth proportional to 629,118.96, 868,194.02 and 342,638.80 is: 472,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,118.96 : 868,194.02 = 342,638.80 : x
  2. Step 2: Convert to fraction form
    629,118.96/868,194.02 = 342,638.80/x
  3. Step 3: Cross multiply
    629,118.96x = 868,194.02 × 342,638.80
  4. Step 4: Simplify right side
    629,118.96x = 297,476,957,179.98
  5. Step 5: Solve for x
    x = 297,476,957,179.98/629,118.96
  6. Step 6: Final answer
    x = 472,846.91

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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.