Home / 675,277.31-1,012,542.03-276,198.32

Finding the Fourth Proportional to 675,277.31, 1,012,542.03 and 276,198.32

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Solution

The fourth proportional to 675,277.31, 1,012,542.03 and 276,198.32 is: 414,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,277.31 : 1,012,542.03 = 276,198.32 : x
  2. Step 2: Convert to fraction form
    675,277.31/1,012,542.03 = 276,198.32/x
  3. Step 3: Cross multiply
    675,277.31x = 1,012,542.03 × 276,198.32
  4. Step 4: Simplify right side
    675,277.31x = 279,662,410,146.75
  5. Step 5: Solve for x
    x = 279,662,410,146.75/675,277.31
  6. Step 6: Final answer
    x = 414,144.54

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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.