Home / 629,268.76-868,369.24-357,331.71

Finding the Fourth Proportional to 629,268.76, 868,369.24 and 357,331.71

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Solution

The fourth proportional to 629,268.76, 868,369.24 and 357,331.71 is: 493,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,268.76 : 868,369.24 = 357,331.71 : x
  2. Step 2: Convert to fraction form
    629,268.76/868,369.24 = 357,331.71/x
  3. Step 3: Cross multiply
    629,268.76x = 868,369.24 × 357,331.71
  4. Step 4: Simplify right side
    629,268.76x = 310,295,865,440.60
  5. Step 5: Solve for x
    x = 310,295,865,440.60/629,268.76
  6. Step 6: Final answer
    x = 493,105.47

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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.