Home / 726,523.07-1,089,194.10-253,540.58

Finding the Fourth Proportional to 726,523.07, 1,089,194.10 and 253,540.58

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Solution

The fourth proportional to 726,523.07, 1,089,194.10 and 253,540.58 is: 380,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,523.07 : 1,089,194.10 = 253,540.58 : x
  2. Step 2: Convert to fraction form
    726,523.07/1,089,194.10 = 253,540.58/x
  3. Step 3: Cross multiply
    726,523.07x = 1,089,194.10 × 253,540.58
  4. Step 4: Simplify right side
    726,523.07x = 276,154,897,449.83
  5. Step 5: Solve for x
    x = 276,154,897,449.83/726,523.07
  6. Step 6: Final answer
    x = 380,104.79

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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.