Home / 851,063.97-1,174,470.66-469,092.27

Finding the Fourth Proportional to 851,063.97, 1,174,470.66 and 469,092.27

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Solution

The fourth proportional to 851,063.97, 1,174,470.66 and 469,092.27 is: 647,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,063.97 : 1,174,470.66 = 469,092.27 : x
  2. Step 2: Convert to fraction form
    851,063.97/1,174,470.66 = 469,092.27/x
  3. Step 3: Cross multiply
    851,063.97x = 1,174,470.66 × 469,092.27
  4. Step 4: Simplify right side
    851,063.97x = 550,935,107,947.80
  5. Step 5: Solve for x
    x = 550,935,107,947.80/851,063.97
  6. Step 6: Final answer
    x = 647,348.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.