Home / 726,205.60-1,089,049.20-252,906.40

Finding the Fourth Proportional to 726,205.60, 1,089,049.20 and 252,906.40

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Solution

The fourth proportional to 726,205.60, 1,089,049.20 and 252,906.40 is: 379,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,205.60 : 1,089,049.20 = 252,906.40 : x
  2. Step 2: Convert to fraction form
    726,205.60/1,089,049.20 = 252,906.40/x
  3. Step 3: Cross multiply
    726,205.60x = 1,089,049.20 × 252,906.40
  4. Step 4: Simplify right side
    726,205.60x = 275,427,512,594.88
  5. Step 5: Solve for x
    x = 275,427,512,594.88/726,205.60
  6. Step 6: Final answer
    x = 379,269.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.