Home / 878,276.20-1,317,414.76-247,190.02

Finding the Fourth Proportional to 878,276.20, 1,317,414.76 and 247,190.02

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Solution

The fourth proportional to 878,276.20, 1,317,414.76 and 247,190.02 is: 370,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,276.20 : 1,317,414.76 = 247,190.02 : x
  2. Step 2: Convert to fraction form
    878,276.20/1,317,414.76 = 247,190.02/x
  3. Step 3: Cross multiply
    878,276.20x = 1,317,414.76 × 247,190.02
  4. Step 4: Simplify right side
    878,276.20x = 325,651,780,872.70
  5. Step 5: Solve for x
    x = 325,651,780,872.70/878,276.20
  6. Step 6: Final answer
    x = 370,785.16

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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.