Home / 629,294.11-868,418.03-342,808.04

Finding the Fourth Proportional to 629,294.11, 868,418.03 and 342,808.04

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Solution

The fourth proportional to 629,294.11, 868,418.03 and 342,808.04 is: 473,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,294.11 : 868,418.03 = 342,808.04 : x
  2. Step 2: Convert to fraction form
    629,294.11/868,418.03 = 342,808.04/x
  3. Step 3: Cross multiply
    629,294.11x = 868,418.03 × 342,808.04
  4. Step 4: Simplify right side
    629,294.11x = 297,700,685,793.03
  5. Step 5: Solve for x
    x = 297,700,685,793.03/629,294.11
  6. Step 6: Final answer
    x = 473,070.83

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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.