Home / 982,921.25-1,474,382.50-272,949.37

Finding the Fourth Proportional to 982,921.25, 1,474,382.50 and 272,949.37

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Solution

The fourth proportional to 982,921.25, 1,474,382.50 and 272,949.37 is: 409,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,921.25 : 1,474,382.50 = 272,949.37 : x
  2. Step 2: Convert to fraction form
    982,921.25/1,474,382.50 = 272,949.37/x
  3. Step 3: Cross multiply
    982,921.25x = 1,474,382.50 × 272,949.37
  4. Step 4: Simplify right side
    982,921.25x = 402,431,770,145.70
  5. Step 5: Solve for x
    x = 402,431,770,145.70/982,921.25
  6. Step 6: Final answer
    x = 409,424.22

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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.