Home / 629,294.87-868,419.06-342,808.80

Finding the Fourth Proportional to 629,294.87, 868,419.06 and 342,808.80

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Solution

The fourth proportional to 629,294.87, 868,419.06 and 342,808.80 is: 473,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,294.87 : 868,419.06 = 342,808.80 : x
  2. Step 2: Convert to fraction form
    629,294.87/868,419.06 = 342,808.80/x
  3. Step 3: Cross multiply
    629,294.87x = 868,419.06 × 342,808.80
  4. Step 4: Simplify right side
    629,294.87x = 297,701,695,855.73
  5. Step 5: Solve for x
    x = 297,701,695,855.73/629,294.87
  6. Step 6: Final answer
    x = 473,071.87

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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.