Home / 681,134.80-1,021,787.02-231,821.14

Finding the Fourth Proportional to 681,134.80, 1,021,787.02 and 231,821.14

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Solution

The fourth proportional to 681,134.80, 1,021,787.02 and 231,821.14 is: 347,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,134.80 : 1,021,787.02 = 231,821.14 : x
  2. Step 2: Convert to fraction form
    681,134.80/1,021,787.02 = 231,821.14/x
  3. Step 3: Cross multiply
    681,134.80x = 1,021,787.02 × 231,821.14
  4. Step 4: Simplify right side
    681,134.80x = 236,871,831,813.60
  5. Step 5: Solve for x
    x = 236,871,831,813.60/681,134.80
  6. Step 6: Final answer
    x = 347,760.58

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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.