Home / 704,857.80-1,057,286.70-172,371.90

Finding the Fourth Proportional to 704,857.80, 1,057,286.70 and 172,371.90

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Solution

The fourth proportional to 704,857.80, 1,057,286.70 and 172,371.90 is: 258,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,857.80 : 1,057,286.70 = 172,371.90 : x
  2. Step 2: Convert to fraction form
    704,857.80/1,057,286.70 = 172,371.90/x
  3. Step 3: Cross multiply
    704,857.80x = 1,057,286.70 × 172,371.90
  4. Step 4: Simplify right side
    704,857.80x = 182,246,517,323.73
  5. Step 5: Solve for x
    x = 182,246,517,323.73/704,857.80
  6. Step 6: Final answer
    x = 258,557.85

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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.