Home / 812,003.36-1,120,566.85-449,452.22

Finding the Fourth Proportional to 812,003.36, 1,120,566.85 and 449,452.22

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Solution

The fourth proportional to 812,003.36, 1,120,566.85 and 449,452.22 is: 620,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,003.36 : 1,120,566.85 = 449,452.22 : x
  2. Step 2: Convert to fraction form
    812,003.36/1,120,566.85 = 449,452.22/x
  3. Step 3: Cross multiply
    812,003.36x = 1,120,566.85 × 449,452.22
  4. Step 4: Simplify right side
    812,003.36x = 503,641,251,664.44
  5. Step 5: Solve for x
    x = 503,641,251,664.44/812,003.36
  6. Step 6: Final answer
    x = 620,245.28

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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.