Home / 675,276.18-1,012,540.34-276,197.21

Finding the Fourth Proportional to 675,276.18, 1,012,540.34 and 276,197.21

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Solution

The fourth proportional to 675,276.18, 1,012,540.34 and 276,197.21 is: 414,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,276.18 : 1,012,540.34 = 276,197.21 : x
  2. Step 2: Convert to fraction form
    675,276.18/1,012,540.34 = 276,197.21/x
  3. Step 3: Cross multiply
    675,276.18x = 1,012,540.34 × 276,197.21
  4. Step 4: Simplify right side
    675,276.18x = 279,660,810,476.76
  5. Step 5: Solve for x
    x = 279,660,810,476.76/675,276.18
  6. Step 6: Final answer
    x = 414,142.86

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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.