Home / 675,424.88-1,013,138.50-276,065.30

Finding the Fourth Proportional to 675,424.88, 1,013,138.50 and 276,065.30

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Solution

The fourth proportional to 675,424.88, 1,013,138.50 and 276,065.30 is: 414,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,424.88 : 1,013,138.50 = 276,065.30 : x
  2. Step 2: Convert to fraction form
    675,424.88/1,013,138.50 = 276,065.30/x
  3. Step 3: Cross multiply
    675,424.88x = 1,013,138.50 × 276,065.30
  4. Step 4: Simplify right side
    675,424.88x = 279,692,383,944.05
  5. Step 5: Solve for x
    x = 279,692,383,944.05/675,424.88
  6. Step 6: Final answer
    x = 414,098.43

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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.