Home / 982,921.44-1,474,382.78-272,949.56

Finding the Fourth Proportional to 982,921.44, 1,474,382.78 and 272,949.56

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Solution

The fourth proportional to 982,921.44, 1,474,382.78 and 272,949.56 is: 409,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,921.44 : 1,474,382.78 = 272,949.56 : x
  2. Step 2: Convert to fraction form
    982,921.44/1,474,382.78 = 272,949.56/x
  3. Step 3: Cross multiply
    982,921.44x = 1,474,382.78 × 272,949.56
  4. Step 4: Simplify right side
    982,921.44x = 402,432,123,359.48
  5. Step 5: Solve for x
    x = 402,432,123,359.48/982,921.44
  6. Step 6: Final answer
    x = 409,424.50

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1.5x scale

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.