Home / 675,280.54-1,012,546.90-276,201.60

Finding the Fourth Proportional to 675,280.54, 1,012,546.90 and 276,201.60

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Solution

The fourth proportional to 675,280.54, 1,012,546.90 and 276,201.60 is: 414,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,280.54 : 1,012,546.90 = 276,201.60 : x
  2. Step 2: Convert to fraction form
    675,280.54/1,012,546.90 = 276,201.60/x
  3. Step 3: Cross multiply
    675,280.54x = 1,012,546.90 × 276,201.60
  4. Step 4: Simplify right side
    675,280.54x = 279,667,073,855.04
  5. Step 5: Solve for x
    x = 279,667,073,855.04/675,280.54
  6. Step 6: Final answer
    x = 414,149.46

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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.