Home / 721,840.44-1,082,079.72-248,194.56

Finding the Fourth Proportional to 721,840.44, 1,082,079.72 and 248,194.56

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Solution

The fourth proportional to 721,840.44, 1,082,079.72 and 248,194.56 is: 372,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,840.44 : 1,082,079.72 = 248,194.56 : x
  2. Step 2: Convert to fraction form
    721,840.44/1,082,079.72 = 248,194.56/x
  3. Step 3: Cross multiply
    721,840.44x = 1,082,079.72 × 248,194.56
  4. Step 4: Simplify right side
    721,840.44x = 268,566,299,990.32
  5. Step 5: Solve for x
    x = 268,566,299,990.32/721,840.44
  6. Step 6: Final answer
    x = 372,057.71

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1.5x scale

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.