Home / 726,493.73-1,089,906.44-221,126.33

Finding the Fourth Proportional to 726,493.73, 1,089,906.44 and 221,126.33

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Solution

The fourth proportional to 726,493.73, 1,089,906.44 and 221,126.33 is: 331,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,493.73 : 1,089,906.44 = 221,126.33 : x
  2. Step 2: Convert to fraction form
    726,493.73/1,089,906.44 = 221,126.33/x
  3. Step 3: Cross multiply
    726,493.73x = 1,089,906.44 × 221,126.33
  4. Step 4: Simplify right side
    726,493.73x = 241,007,004,565.40
  5. Step 5: Solve for x
    x = 241,007,004,565.40/726,493.73
  6. Step 6: Final answer
    x = 331,739.97

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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.