Home / 827,359.70-1,239,891.36-376,979.90

Finding the Fourth Proportional to 827,359.70, 1,239,891.36 and 376,979.90

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Solution

The fourth proportional to 827,359.70, 1,239,891.36 and 376,979.90 is: 564,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,359.70 : 1,239,891.36 = 376,979.90 : x
  2. Step 2: Convert to fraction form
    827,359.70/1,239,891.36 = 376,979.90/x
  3. Step 3: Cross multiply
    827,359.70x = 1,239,891.36 × 376,979.90
  4. Step 4: Simplify right side
    827,359.70x = 467,414,120,903.66
  5. Step 5: Solve for x
    x = 467,414,120,903.66/827,359.70
  6. Step 6: Final answer
    x = 564,946.69

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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.