Home / 878,305.60-1,317,458.40-655,231.60

Finding the Fourth Proportional to 878,305.60, 1,317,458.40 and 655,231.60

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Solution

The fourth proportional to 878,305.60, 1,317,458.40 and 655,231.60 is: 982,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,305.60 : 1,317,458.40 = 655,231.60 : x
  2. Step 2: Convert to fraction form
    878,305.60/1,317,458.40 = 655,231.60/x
  3. Step 3: Cross multiply
    878,305.60x = 1,317,458.40 × 655,231.60
  4. Step 4: Simplify right side
    878,305.60x = 863,240,375,365.44
  5. Step 5: Solve for x
    x = 863,240,375,365.44/878,305.60
  6. Step 6: Final answer
    x = 982,847.40

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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.