Home / 494,916.90-682,987.12-268,562.40

Finding the Fourth Proportional to 494,916.90, 682,987.12 and 268,562.40

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Solution

The fourth proportional to 494,916.90, 682,987.12 and 268,562.40 is: 370,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,916.90 : 682,987.12 = 268,562.40 : x
  2. Step 2: Convert to fraction form
    494,916.90/682,987.12 = 268,562.40/x
  3. Step 3: Cross multiply
    494,916.90x = 682,987.12 × 268,562.40
  4. Step 4: Simplify right side
    494,916.90x = 183,424,660,116.29
  5. Step 5: Solve for x
    x = 183,424,660,116.29/494,916.90
  6. Step 6: Final answer
    x = 370,617.09

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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.