Home / 878,004.94-1,317,132.94-270,844.54

Finding the Fourth Proportional to 878,004.94, 1,317,132.94 and 270,844.54

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Solution

The fourth proportional to 878,004.94, 1,317,132.94 and 270,844.54 is: 406,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,004.94 : 1,317,132.94 = 270,844.54 : x
  2. Step 2: Convert to fraction form
    878,004.94/1,317,132.94 = 270,844.54/x
  3. Step 3: Cross multiply
    878,004.94x = 1,317,132.94 × 270,844.54
  4. Step 4: Simplify right side
    878,004.94x = 356,738,265,253.15
  5. Step 5: Solve for x
    x = 356,738,265,253.15/878,004.94
  6. Step 6: Final answer
    x = 406,305.53

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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.