Home / 812,052.42-1,120,597.06-449,454.64

Finding the Fourth Proportional to 812,052.42, 1,120,597.06 and 449,454.64

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Solution

The fourth proportional to 812,052.42, 1,120,597.06 and 449,454.64 is: 620,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,052.42 : 1,120,597.06 = 449,454.64 : x
  2. Step 2: Convert to fraction form
    812,052.42/1,120,597.06 = 449,454.64/x
  3. Step 3: Cross multiply
    812,052.42x = 1,120,597.06 × 449,454.64
  4. Step 4: Simplify right side
    812,052.42x = 503,657,548,187.36
  5. Step 5: Solve for x
    x = 503,657,548,187.36/812,052.42
  6. Step 6: Final answer
    x = 620,227.88

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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.