Home / 675,081.20-1,013,010.60-254,658.80

Finding the Fourth Proportional to 675,081.20, 1,013,010.60 and 254,658.80

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Solution

The fourth proportional to 675,081.20, 1,013,010.60 and 254,658.80 is: 382,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,081.20 : 1,013,010.60 = 254,658.80 : x
  2. Step 2: Convert to fraction form
    675,081.20/1,013,010.60 = 254,658.80/x
  3. Step 3: Cross multiply
    675,081.20x = 1,013,010.60 × 254,658.80
  4. Step 4: Simplify right side
    675,081.20x = 257,972,063,783.28
  5. Step 5: Solve for x
    x = 257,972,063,783.28/675,081.20
  6. Step 6: Final answer
    x = 382,134.87

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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.