Home / 835,976.80-1,253,965.20-504,200.80

Finding the Fourth Proportional to 835,976.80, 1,253,965.20 and 504,200.80

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Solution

The fourth proportional to 835,976.80, 1,253,965.20 and 504,200.80 is: 756,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,976.80 : 1,253,965.20 = 504,200.80 : x
  2. Step 2: Convert to fraction form
    835,976.80/1,253,965.20 = 504,200.80/x
  3. Step 3: Cross multiply
    835,976.80x = 1,253,965.20 × 504,200.80
  4. Step 4: Simplify right side
    835,976.80x = 632,250,257,012.16
  5. Step 5: Solve for x
    x = 632,250,257,012.16/835,976.80
  6. Step 6: Final answer
    x = 756,301.20

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Double scale
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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.