Home / 726,464.66-1,089,942.22-321,601.03

Finding the Fourth Proportional to 726,464.66, 1,089,942.22 and 321,601.03

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Solution

The fourth proportional to 726,464.66, 1,089,942.22 and 321,601.03 is: 482,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,464.66 : 1,089,942.22 = 321,601.03 : x
  2. Step 2: Convert to fraction form
    726,464.66/1,089,942.22 = 321,601.03/x
  3. Step 3: Cross multiply
    726,464.66x = 1,089,942.22 × 321,601.03
  4. Step 4: Simplify right side
    726,464.66x = 350,526,535,142.78
  5. Step 5: Solve for x
    x = 350,526,535,142.78/726,464.66
  6. Step 6: Final answer
    x = 482,510.10

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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.