Home / 360,821.33-541,287.35-261,729.73

Finding the Fourth Proportional to 360,821.33, 541,287.35 and 261,729.73

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Solution

The fourth proportional to 360,821.33, 541,287.35 and 261,729.73 is: 392,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,821.33 : 541,287.35 = 261,729.73 : x
  2. Step 2: Convert to fraction form
    360,821.33/541,287.35 = 261,729.73/x
  3. Step 3: Cross multiply
    360,821.33x = 541,287.35 × 261,729.73
  4. Step 4: Simplify right side
    360,821.33x = 141,670,989,261.48
  5. Step 5: Solve for x
    x = 141,670,989,261.48/360,821.33
  6. Step 6: Final answer
    x = 392,634.74

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1.5x scale

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.