Home / 721,063.48-1,080,832.50-271,589.87

Finding the Fourth Proportional to 721,063.48, 1,080,832.50 and 271,589.87

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Solution

The fourth proportional to 721,063.48, 1,080,832.50 and 271,589.87 is: 407,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,063.48 : 1,080,832.50 = 271,589.87 : x
  2. Step 2: Convert to fraction form
    721,063.48/1,080,832.50 = 271,589.87/x
  3. Step 3: Cross multiply
    721,063.48x = 1,080,832.50 × 271,589.87
  4. Step 4: Simplify right side
    721,063.48x = 293,543,156,808.83
  5. Step 5: Solve for x
    x = 293,543,156,808.83/721,063.48
  6. Step 6: Final answer
    x = 407,097.53

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Double scale
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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.