Home / 812,285.22-1,120,949.49-444,755.69

Finding the Fourth Proportional to 812,285.22, 1,120,949.49 and 444,755.69

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Solution

The fourth proportional to 812,285.22, 1,120,949.49 and 444,755.69 is: 613,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,285.22 : 1,120,949.49 = 444,755.69 : x
  2. Step 2: Convert to fraction form
    812,285.22/1,120,949.49 = 444,755.69/x
  3. Step 3: Cross multiply
    812,285.22x = 1,120,949.49 × 444,755.69
  4. Step 4: Simplify right side
    812,285.22x = 498,548,658,275.35
  5. Step 5: Solve for x
    x = 498,548,658,275.35/812,285.22
  6. Step 6: Final answer
    x = 613,760.59

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1.5x scale

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.