Home / 677,672.15-1,016,502.42-172,234.58

Finding the Fourth Proportional to 677,672.15, 1,016,502.42 and 172,234.58

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Solution

The fourth proportional to 677,672.15, 1,016,502.42 and 172,234.58 is: 258,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,672.15 : 1,016,502.42 = 172,234.58 : x
  2. Step 2: Convert to fraction form
    677,672.15/1,016,502.42 = 172,234.58/x
  3. Step 3: Cross multiply
    677,672.15x = 1,016,502.42 × 172,234.58
  4. Step 4: Simplify right side
    677,672.15x = 175,076,867,377.68
  5. Step 5: Solve for x
    x = 175,076,867,377.68/677,672.15
  6. Step 6: Final answer
    x = 258,350.39

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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.