Home / 580,619.40-870,983.88-225,660.60

Finding the Fourth Proportional to 580,619.40, 870,983.88 and 225,660.60

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Solution

The fourth proportional to 580,619.40, 870,983.88 and 225,660.60 is: 338,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,619.40 : 870,983.88 = 225,660.60 : x
  2. Step 2: Convert to fraction form
    580,619.40/870,983.88 = 225,660.60/x
  3. Step 3: Cross multiply
    580,619.40x = 870,983.88 × 225,660.60
  4. Step 4: Simplify right side
    580,619.40x = 196,546,744,951.13
  5. Step 5: Solve for x
    x = 196,546,744,951.13/580,619.40
  6. Step 6: Final answer
    x = 338,512.19

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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.