Home / 726,226.26-1,089,368.67-252,959.46

Finding the Fourth Proportional to 726,226.26, 1,089,368.67 and 252,959.46

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Solution

The fourth proportional to 726,226.26, 1,089,368.67 and 252,959.46 is: 379,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,226.26 : 1,089,368.67 = 252,959.46 : x
  2. Step 2: Convert to fraction form
    726,226.26/1,089,368.67 = 252,959.46/x
  3. Step 3: Cross multiply
    726,226.26x = 1,089,368.67 × 252,959.46
  4. Step 4: Simplify right side
    726,226.26x = 275,566,110,504.12
  5. Step 5: Solve for x
    x = 275,566,110,504.12/726,226.26
  6. Step 6: Final answer
    x = 379,449.39

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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.