Home / 481,111.50-663,169.02-378,975.18

Finding the Fourth Proportional to 481,111.50, 663,169.02 and 378,975.18

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Solution

The fourth proportional to 481,111.50, 663,169.02 and 378,975.18 is: 522,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,111.50 : 663,169.02 = 378,975.18 : x
  2. Step 2: Convert to fraction form
    481,111.50/663,169.02 = 378,975.18/x
  3. Step 3: Cross multiply
    481,111.50x = 663,169.02 × 378,975.18
  4. Step 4: Simplify right side
    481,111.50x = 251,324,598,724.92
  5. Step 5: Solve for x
    x = 251,324,598,724.92/481,111.50
  6. Step 6: Final answer
    x = 522,383.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.