Home / 792,744.44-1,189,298.30-343,540.71

Finding the Fourth Proportional to 792,744.44, 1,189,298.30 and 343,540.71

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Solution

The fourth proportional to 792,744.44, 1,189,298.30 and 343,540.71 is: 515,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,744.44 : 1,189,298.30 = 343,540.71 : x
  2. Step 2: Convert to fraction form
    792,744.44/1,189,298.30 = 343,540.71/x
  3. Step 3: Cross multiply
    792,744.44x = 1,189,298.30 × 343,540.71
  4. Step 4: Simplify right side
    792,744.44x = 408,572,380,666.09
  5. Step 5: Solve for x
    x = 408,572,380,666.09/792,744.44
  6. Step 6: Final answer
    x = 515,389.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.