Home / 494,797.58-682,823.61-279,982.54

Finding the Fourth Proportional to 494,797.58, 682,823.61 and 279,982.54

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Solution

The fourth proportional to 494,797.58, 682,823.61 and 279,982.54 is: 386,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,797.58 : 682,823.61 = 279,982.54 : x
  2. Step 2: Convert to fraction form
    494,797.58/682,823.61 = 279,982.54/x
  3. Step 3: Cross multiply
    494,797.58x = 682,823.61 × 279,982.54
  4. Step 4: Simplify right side
    494,797.58x = 191,178,683,885.74
  5. Step 5: Solve for x
    x = 191,178,683,885.74/494,797.58
  6. Step 6: Final answer
    x = 386,377.57

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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.