Home / 494,485.48-682,390.31-268,130.98

Finding the Fourth Proportional to 494,485.48, 682,390.31 and 268,130.98

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Solution

The fourth proportional to 494,485.48, 682,390.31 and 268,130.98 is: 370,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,485.48 : 682,390.31 = 268,130.98 : x
  2. Step 2: Convert to fraction form
    494,485.48/682,390.31 = 268,130.98/x
  3. Step 3: Cross multiply
    494,485.48x = 682,390.31 × 268,130.98
  4. Step 4: Simplify right side
    494,485.48x = 182,969,982,562.80
  5. Step 5: Solve for x
    x = 182,969,982,562.80/494,485.48
  6. Step 6: Final answer
    x = 370,020.94

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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.