Home / 677,672.68-1,016,249.64-228,272.80

Finding the Fourth Proportional to 677,672.68, 1,016,249.64 and 228,272.80

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Solution

The fourth proportional to 677,672.68, 1,016,249.64 and 228,272.80 is: 342,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,672.68 : 1,016,249.64 = 228,272.80 : x
  2. Step 2: Convert to fraction form
    677,672.68/1,016,249.64 = 228,272.80/x
  3. Step 3: Cross multiply
    677,672.68x = 1,016,249.64 × 228,272.80
  4. Step 4: Simplify right side
    677,672.68x = 231,982,150,821.79
  5. Step 5: Solve for x
    x = 231,982,150,821.79/677,672.68
  6. Step 6: Final answer
    x = 342,321.83

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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.