Home / 831,321.36-1,247,150.93-262,791.27

Finding the Fourth Proportional to 831,321.36, 1,247,150.93 and 262,791.27

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Solution

The fourth proportional to 831,321.36, 1,247,150.93 and 262,791.27 is: 394,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,321.36 : 1,247,150.93 = 262,791.27 : x
  2. Step 2: Convert to fraction form
    831,321.36/1,247,150.93 = 262,791.27/x
  3. Step 3: Cross multiply
    831,321.36x = 1,247,150.93 × 262,791.27
  4. Step 4: Simplify right side
    831,321.36x = 327,740,375,462.43
  5. Step 5: Solve for x
    x = 327,740,375,462.43/831,321.36
  6. Step 6: Final answer
    x = 394,240.29

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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.