Home / 739,049.64-1,019,891.12-399,517.88

Finding the Fourth Proportional to 739,049.64, 1,019,891.12 and 399,517.88

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Solution

The fourth proportional to 739,049.64, 1,019,891.12 and 399,517.88 is: 551,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,049.64 : 1,019,891.12 = 399,517.88 : x
  2. Step 2: Convert to fraction form
    739,049.64/1,019,891.12 = 399,517.88/x
  3. Step 3: Cross multiply
    739,049.64x = 1,019,891.12 × 399,517.88
  4. Step 4: Simplify right side
    739,049.64x = 407,464,738,093.23
  5. Step 5: Solve for x
    x = 407,464,738,093.23/739,049.64
  6. Step 6: Final answer
    x = 551,336.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.