Home / 629,264.27-868,319.96-353,578.34

Finding the Fourth Proportional to 629,264.27, 868,319.96 and 353,578.34

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Solution

The fourth proportional to 629,264.27, 868,319.96 and 353,578.34 is: 487,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,264.27 : 868,319.96 = 353,578.34 : x
  2. Step 2: Convert to fraction form
    629,264.27/868,319.96 = 353,578.34/x
  3. Step 3: Cross multiply
    629,264.27x = 868,319.96 × 353,578.34
  4. Step 4: Simplify right side
    629,264.27x = 307,019,128,277.78
  5. Step 5: Solve for x
    x = 307,019,128,277.78/629,264.27
  6. Step 6: Final answer
    x = 487,901.73

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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.