Home / 494,921.85-742,382.78-370,505.85

Finding the Fourth Proportional to 494,921.85, 742,382.78 and 370,505.85

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Solution

The fourth proportional to 494,921.85, 742,382.78 and 370,505.85 is: 555,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,921.85 : 742,382.78 = 370,505.85 : x
  2. Step 2: Convert to fraction form
    494,921.85/742,382.78 = 370,505.85/x
  3. Step 3: Cross multiply
    494,921.85x = 742,382.78 × 370,505.85
  4. Step 4: Simplify right side
    494,921.85x = 275,057,161,076.73
  5. Step 5: Solve for x
    x = 275,057,161,076.73/494,921.85
  6. Step 6: Final answer
    x = 555,758.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.