Home / 721,064.61-1,080,834.18-271,591

Finding the Fourth Proportional to 721,064.61, 1,080,834.18 and 271,591

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Solution

The fourth proportional to 721,064.61, 1,080,834.18 and 271,591 is: 407,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,064.61 : 1,080,834.18 = 271,591 : x
  2. Step 2: Convert to fraction form
    721,064.61/1,080,834.18 = 271,591/x
  3. Step 3: Cross multiply
    721,064.61x = 1,080,834.18 × 271,591
  4. Step 4: Simplify right side
    721,064.61x = 293,544,835,780.38
  5. Step 5: Solve for x
    x = 293,544,835,780.38/721,064.61
  6. Step 6: Final answer
    x = 407,099.22

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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.