Home / 728,910.32-1,093,326.60-196,422.80

Finding the Fourth Proportional to 728,910.32, 1,093,326.60 and 196,422.80

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Solution

The fourth proportional to 728,910.32, 1,093,326.60 and 196,422.80 is: 294,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,910.32 : 1,093,326.60 = 196,422.80 : x
  2. Step 2: Convert to fraction form
    728,910.32/1,093,326.60 = 196,422.80/x
  3. Step 3: Cross multiply
    728,910.32x = 1,093,326.60 × 196,422.80
  4. Step 4: Simplify right side
    728,910.32x = 214,754,272,086.48
  5. Step 5: Solve for x
    x = 214,754,272,086.48/728,910.32
  6. Step 6: Final answer
    x = 294,623.72

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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.