Home / 494,889.90-682,956-268,535.40

Finding the Fourth Proportional to 494,889.90, 682,956 and 268,535.40

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Solution

The fourth proportional to 494,889.90, 682,956 and 268,535.40 is: 370,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,889.90 : 682,956 = 268,535.40 : x
  2. Step 2: Convert to fraction form
    494,889.90/682,956 = 268,535.40/x
  3. Step 3: Cross multiply
    494,889.90x = 682,956 × 268,535.40
  4. Step 4: Simplify right side
    494,889.90x = 183,397,862,642.40
  5. Step 5: Solve for x
    x = 183,397,862,642.40/494,889.90
  6. Step 6: Final answer
    x = 370,583.16

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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.