Home / 878,560.20-1,317,833.82-247,460.04

Finding the Fourth Proportional to 878,560.20, 1,317,833.82 and 247,460.04

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Solution

The fourth proportional to 878,560.20, 1,317,833.82 and 247,460.04 is: 371,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,560.20 : 1,317,833.82 = 247,460.04 : x
  2. Step 2: Convert to fraction form
    878,560.20/1,317,833.82 = 247,460.04/x
  3. Step 3: Cross multiply
    878,560.20x = 1,317,833.82 × 247,460.04
  4. Step 4: Simplify right side
    878,560.20x = 326,111,209,810.55
  5. Step 5: Solve for x
    x = 326,111,209,810.55/878,560.20
  6. Step 6: Final answer
    x = 371,188.23

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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.