Home / 678,632.92-1,017,948.79-173,193.85

Finding the Fourth Proportional to 678,632.92, 1,017,948.79 and 173,193.85

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Solution

The fourth proportional to 678,632.92, 1,017,948.79 and 173,193.85 is: 259,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,632.92 : 1,017,948.79 = 173,193.85 : x
  2. Step 2: Convert to fraction form
    678,632.92/1,017,948.79 = 173,193.85/x
  3. Step 3: Cross multiply
    678,632.92x = 1,017,948.79 × 173,193.85
  4. Step 4: Simplify right side
    678,632.92x = 176,302,471,531.87
  5. Step 5: Solve for x
    x = 176,302,471,531.87/678,632.92
  6. Step 6: Final answer
    x = 259,790.63

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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.