Home / 852,949.29-1,279,399.32-221,863.08

Finding the Fourth Proportional to 852,949.29, 1,279,399.32 and 221,863.08

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Solution

The fourth proportional to 852,949.29, 1,279,399.32 and 221,863.08 is: 332,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,949.29 : 1,279,399.32 = 221,863.08 : x
  2. Step 2: Convert to fraction form
    852,949.29/1,279,399.32 = 221,863.08/x
  3. Step 3: Cross multiply
    852,949.29x = 1,279,399.32 × 221,863.08
  4. Step 4: Simplify right side
    852,949.29x = 283,851,473,685.11
  5. Step 5: Solve for x
    x = 283,851,473,685.11/852,949.29
  6. Step 6: Final answer
    x = 332,788.22

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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.