Home / 852,196.75-1,278,245.00-319,673.18

Finding the Fourth Proportional to 852,196.75, 1,278,245.00 and 319,673.18

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Solution

The fourth proportional to 852,196.75, 1,278,245.00 and 319,673.18 is: 479,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,196.75 : 1,278,245.00 = 319,673.18 : x
  2. Step 2: Convert to fraction form
    852,196.75/1,278,245.00 = 319,673.18/x
  3. Step 3: Cross multiply
    852,196.75x = 1,278,245.00 × 319,673.18
  4. Step 4: Simplify right side
    852,196.75x = 408,620,647,963.90
  5. Step 5: Solve for x
    x = 408,620,647,963.90/852,196.75
  6. Step 6: Final answer
    x = 479,490.97

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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.