Home / 726,191.60-1,089,028.20-252,892.40

Finding the Fourth Proportional to 726,191.60, 1,089,028.20 and 252,892.40

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Solution

The fourth proportional to 726,191.60, 1,089,028.20 and 252,892.40 is: 379,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,191.60 : 1,089,028.20 = 252,892.40 : x
  2. Step 2: Convert to fraction form
    726,191.60/1,089,028.20 = 252,892.40/x
  3. Step 3: Cross multiply
    726,191.60x = 1,089,028.20 × 252,892.40
  4. Step 4: Simplify right side
    726,191.60x = 275,406,955,165.68
  5. Step 5: Solve for x
    x = 275,406,955,165.68/726,191.60
  6. Step 6: Final answer
    x = 379,248.33

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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.