Home / 629,612.20-868,839.48-343,126.12

Finding the Fourth Proportional to 629,612.20, 868,839.48 and 343,126.12

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Solution

The fourth proportional to 629,612.20, 868,839.48 and 343,126.12 is: 473,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,612.20 : 868,839.48 = 343,126.12 : x
  2. Step 2: Convert to fraction form
    629,612.20/868,839.48 = 343,126.12/x
  3. Step 3: Cross multiply
    629,612.20x = 868,839.48 × 343,126.12
  4. Step 4: Simplify right side
    629,612.20x = 298,121,519,675.22
  5. Step 5: Solve for x
    x = 298,121,519,675.22/629,612.20
  6. Step 6: Final answer
    x = 473,500.23

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1.5x scale

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.