Home / 675,276.56-1,012,540.91-276,197.58

Finding the Fourth Proportional to 675,276.56, 1,012,540.91 and 276,197.58

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Solution

The fourth proportional to 675,276.56, 1,012,540.91 and 276,197.58 is: 414,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,276.56 : 1,012,540.91 = 276,197.58 : x
  2. Step 2: Convert to fraction form
    675,276.56/1,012,540.91 = 276,197.58/x
  3. Step 3: Cross multiply
    675,276.56x = 1,012,540.91 × 276,197.58
  4. Step 4: Simplify right side
    675,276.56x = 279,661,347,612.01
  5. Step 5: Solve for x
    x = 279,661,347,612.01/675,276.56
  6. Step 6: Final answer
    x = 414,143.43

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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.