Home / 986,311.52-1,479,481.91-276,294.68

Finding the Fourth Proportional to 986,311.52, 1,479,481.91 and 276,294.68

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Solution

The fourth proportional to 986,311.52, 1,479,481.91 and 276,294.68 is: 414,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,311.52 : 1,479,481.91 = 276,294.68 : x
  2. Step 2: Convert to fraction form
    986,311.52/1,479,481.91 = 276,294.68/x
  3. Step 3: Cross multiply
    986,311.52x = 1,479,481.91 × 276,294.68
  4. Step 4: Simplify right side
    986,311.52x = 408,772,978,694.52
  5. Step 5: Solve for x
    x = 408,772,978,694.52/986,311.52
  6. Step 6: Final answer
    x = 414,446.12

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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.