Home / 494,740.80-741,787.20-195,040.80

Finding the Fourth Proportional to 494,740.80, 741,787.20 and 195,040.80

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Solution

The fourth proportional to 494,740.80, 741,787.20 and 195,040.80 is: 292,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,740.80 : 741,787.20 = 195,040.80 : x
  2. Step 2: Convert to fraction form
    494,740.80/741,787.20 = 195,040.80/x
  3. Step 3: Cross multiply
    494,740.80x = 741,787.20 × 195,040.80
  4. Step 4: Simplify right side
    494,740.80x = 144,678,768,917.76
  5. Step 5: Solve for x
    x = 144,678,768,917.76/494,740.80
  6. Step 6: Final answer
    x = 292,433.47

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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.