Home / 629,399.40-868,581.14-342,919.41

Finding the Fourth Proportional to 629,399.40, 868,581.14 and 342,919.41

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Solution

The fourth proportional to 629,399.40, 868,581.14 and 342,919.41 is: 473,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,399.40 : 868,581.14 = 342,919.41 : x
  2. Step 2: Convert to fraction form
    629,399.40/868,581.14 = 342,919.41/x
  3. Step 3: Cross multiply
    629,399.40x = 868,581.14 × 342,919.41
  4. Step 4: Simplify right side
    629,399.40x = 297,853,330,351.33
  5. Step 5: Solve for x
    x = 297,853,330,351.33/629,399.40
  6. Step 6: Final answer
    x = 473,234.21

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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.