Home / 880,894.32-1,321,538.37-281,891.43

Finding the Fourth Proportional to 880,894.32, 1,321,538.37 and 281,891.43

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Solution

The fourth proportional to 880,894.32, 1,321,538.37 and 281,891.43 is: 422,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,894.32 : 1,321,538.37 = 281,891.43 : x
  2. Step 2: Convert to fraction form
    880,894.32/1,321,538.37 = 281,891.43/x
  3. Step 3: Cross multiply
    880,894.32x = 1,321,538.37 × 281,891.43
  4. Step 4: Simplify right side
    880,894.32x = 372,530,340,919.17
  5. Step 5: Solve for x
    x = 372,530,340,919.17/880,894.32
  6. Step 6: Final answer
    x = 422,900.15

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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.