Home / 851,796.41-1,278,498.33-626,469.80

Finding the Fourth Proportional to 851,796.41, 1,278,498.33 and 626,469.80

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Solution

The fourth proportional to 851,796.41, 1,278,498.33 and 626,469.80 is: 940,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,796.41 : 1,278,498.33 = 626,469.80 : x
  2. Step 2: Convert to fraction form
    851,796.41/1,278,498.33 = 626,469.80/x
  3. Step 3: Cross multiply
    851,796.41x = 1,278,498.33 × 626,469.80
  4. Step 4: Simplify right side
    851,796.41x = 800,940,586,702.94
  5. Step 5: Solve for x
    x = 800,940,586,702.94/851,796.41
  6. Step 6: Final answer
    x = 940,295.81

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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.