Home / 678,371.76-1,017,566.01-172,932.57

Finding the Fourth Proportional to 678,371.76, 1,017,566.01 and 172,932.57

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Solution

The fourth proportional to 678,371.76, 1,017,566.01 and 172,932.57 is: 259,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,371.76 : 1,017,566.01 = 172,932.57 : x
  2. Step 2: Convert to fraction form
    678,371.76/1,017,566.01 = 172,932.57/x
  3. Step 3: Cross multiply
    678,371.76x = 1,017,566.01 × 172,932.57
  4. Step 4: Simplify right side
    678,371.76x = 175,970,305,253.95
  5. Step 5: Solve for x
    x = 175,970,305,253.95/678,371.76
  6. Step 6: Final answer
    x = 259,400.99

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1.5x scale

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.