Home / 721,045.64-1,081,593.58-247,727.56

Finding the Fourth Proportional to 721,045.64, 1,081,593.58 and 247,727.56

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Solution

The fourth proportional to 721,045.64, 1,081,593.58 and 247,727.56 is: 371,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,045.64 : 1,081,593.58 = 247,727.56 : x
  2. Step 2: Convert to fraction form
    721,045.64/1,081,593.58 = 247,727.56/x
  3. Step 3: Cross multiply
    721,045.64x = 1,081,593.58 × 247,727.56
  4. Step 4: Simplify right side
    721,045.64x = 267,940,538,485.07
  5. Step 5: Solve for x
    x = 267,940,538,485.07/721,045.64
  6. Step 6: Final answer
    x = 371,599.97

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Similar ratio
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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.