Home / 715,198.52-1,072,799.40-266,017.88

Finding the Fourth Proportional to 715,198.52, 1,072,799.40 and 266,017.88

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Solution

The fourth proportional to 715,198.52, 1,072,799.40 and 266,017.88 is: 399,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,198.52 : 1,072,799.40 = 266,017.88 : x
  2. Step 2: Convert to fraction form
    715,198.52/1,072,799.40 = 266,017.88/x
  3. Step 3: Cross multiply
    715,198.52x = 1,072,799.40 × 266,017.88
  4. Step 4: Simplify right side
    715,198.52x = 285,383,822,053.27
  5. Step 5: Solve for x
    x = 285,383,822,053.27/715,198.52
  6. Step 6: Final answer
    x = 399,027.42

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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.