Home / 720,552.96-1,080,664.92-271,321.20

Finding the Fourth Proportional to 720,552.96, 1,080,664.92 and 271,321.20

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Solution

The fourth proportional to 720,552.96, 1,080,664.92 and 271,321.20 is: 406,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,552.96 : 1,080,664.92 = 271,321.20 : x
  2. Step 2: Convert to fraction form
    720,552.96/1,080,664.92 = 271,321.20/x
  3. Step 3: Cross multiply
    720,552.96x = 1,080,664.92 × 271,321.20
  4. Step 4: Simplify right side
    720,552.96x = 293,207,302,892.30
  5. Step 5: Solve for x
    x = 293,207,302,892.30/720,552.96
  6. Step 6: Final answer
    x = 406,919.85

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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.