Home / 691,493.52-1,036,624.68-271,062.48

Finding the Fourth Proportional to 691,493.52, 1,036,624.68 and 271,062.48

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Solution

The fourth proportional to 691,493.52, 1,036,624.68 and 271,062.48 is: 406,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,493.52 : 1,036,624.68 = 271,062.48 : x
  2. Step 2: Convert to fraction form
    691,493.52/1,036,624.68 = 271,062.48/x
  3. Step 3: Cross multiply
    691,493.52x = 1,036,624.68 × 271,062.48
  4. Step 4: Simplify right side
    691,493.52x = 280,990,056,590.01
  5. Step 5: Solve for x
    x = 280,990,056,590.01/691,493.52
  6. Step 6: Final answer
    x = 406,352.41

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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.