Home / 831,822.46-1,247,954.74-263,213.66

Finding the Fourth Proportional to 831,822.46, 1,247,954.74 and 263,213.66

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Solution

The fourth proportional to 831,822.46, 1,247,954.74 and 263,213.66 is: 394,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,822.46 : 1,247,954.74 = 263,213.66 : x
  2. Step 2: Convert to fraction form
    831,822.46/1,247,954.74 = 263,213.66/x
  3. Step 3: Cross multiply
    831,822.46x = 1,247,954.74 × 263,213.66
  4. Step 4: Simplify right side
    831,822.46x = 328,478,734,629.75
  5. Step 5: Solve for x
    x = 328,478,734,629.75/831,822.46
  6. Step 6: Final answer
    x = 394,890.44

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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.