Home / 726,190.60-1,089,026.70-252,891.40

Finding the Fourth Proportional to 726,190.60, 1,089,026.70 and 252,891.40

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Solution

The fourth proportional to 726,190.60, 1,089,026.70 and 252,891.40 is: 379,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,190.60 : 1,089,026.70 = 252,891.40 : x
  2. Step 2: Convert to fraction form
    726,190.60/1,089,026.70 = 252,891.40/x
  3. Step 3: Cross multiply
    726,190.60x = 1,089,026.70 × 252,891.40
  4. Step 4: Simplify right side
    726,190.60x = 275,405,486,800.38
  5. Step 5: Solve for x
    x = 275,405,486,800.38/726,190.60
  6. Step 6: Final answer
    x = 379,246.84

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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.