Home / 759,481.20-1,138,988.52-360,003.78

Finding the Fourth Proportional to 759,481.20, 1,138,988.52 and 360,003.78

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Solution

The fourth proportional to 759,481.20, 1,138,988.52 and 360,003.78 is: 539,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,481.20 : 1,138,988.52 = 360,003.78 : x
  2. Step 2: Convert to fraction form
    759,481.20/1,138,988.52 = 360,003.78/x
  3. Step 3: Cross multiply
    759,481.20x = 1,138,988.52 × 360,003.78
  4. Step 4: Simplify right side
    759,481.20x = 410,040,172,576.61
  5. Step 5: Solve for x
    x = 410,040,172,576.61/759,481.20
  6. Step 6: Final answer
    x = 539,895.09

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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.