Home / 675,279.30-1,012,545.02-276,200.34

Finding the Fourth Proportional to 675,279.30, 1,012,545.02 and 276,200.34

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Solution

The fourth proportional to 675,279.30, 1,012,545.02 and 276,200.34 is: 414,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,279.30 : 1,012,545.02 = 276,200.34 : x
  2. Step 2: Convert to fraction form
    675,279.30/1,012,545.02 = 276,200.34/x
  3. Step 3: Cross multiply
    675,279.30x = 1,012,545.02 × 276,200.34
  4. Step 4: Simplify right side
    675,279.30x = 279,665,278,789.31
  5. Step 5: Solve for x
    x = 279,665,278,789.31/675,279.30
  6. Step 6: Final answer
    x = 414,147.57

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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.