Home / 821,258.92-1,231,891.41-252,636.08

Finding the Fourth Proportional to 821,258.92, 1,231,891.41 and 252,636.08

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Solution

The fourth proportional to 821,258.92, 1,231,891.41 and 252,636.08 is: 378,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,258.92 : 1,231,891.41 = 252,636.08 : x
  2. Step 2: Convert to fraction form
    821,258.92/1,231,891.41 = 252,636.08/x
  3. Step 3: Cross multiply
    821,258.92x = 1,231,891.41 × 252,636.08
  4. Step 4: Simplify right side
    821,258.92x = 311,220,214,952.41
  5. Step 5: Solve for x
    x = 311,220,214,952.41/821,258.92
  6. Step 6: Final answer
    x = 378,955.05

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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.