Home / 629,538.89-868,738.37-343,052.82

Finding the Fourth Proportional to 629,538.89, 868,738.37 and 343,052.82

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Solution

The fourth proportional to 629,538.89, 868,738.37 and 343,052.82 is: 473,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,538.89 : 868,738.37 = 343,052.82 : x
  2. Step 2: Convert to fraction form
    629,538.89/868,738.37 = 343,052.82/x
  3. Step 3: Cross multiply
    629,538.89x = 868,738.37 × 343,052.82
  4. Step 4: Simplify right side
    629,538.89x = 298,023,145,955.44
  5. Step 5: Solve for x
    x = 298,023,145,955.44/629,538.89
  6. Step 6: Final answer
    x = 473,399.11

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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.