Home / 831,324.36-1,247,155.43-262,794.27

Finding the Fourth Proportional to 831,324.36, 1,247,155.43 and 262,794.27

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Solution

The fourth proportional to 831,324.36, 1,247,155.43 and 262,794.27 is: 394,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,324.36 : 1,247,155.43 = 262,794.27 : x
  2. Step 2: Convert to fraction form
    831,324.36/1,247,155.43 = 262,794.27/x
  3. Step 3: Cross multiply
    831,324.36x = 1,247,155.43 × 262,794.27
  4. Step 4: Simplify right side
    831,324.36x = 327,745,299,489.42
  5. Step 5: Solve for x
    x = 327,745,299,489.42/831,324.36
  6. Step 6: Final answer
    x = 394,244.79

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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.