Home / 494,898.72-682,941.96-268,539.36

Finding the Fourth Proportional to 494,898.72, 682,941.96 and 268,539.36

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Solution

The fourth proportional to 494,898.72, 682,941.96 and 268,539.36 is: 370,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,898.72 : 682,941.96 = 268,539.36 : x
  2. Step 2: Convert to fraction form
    494,898.72/682,941.96 = 268,539.36/x
  3. Step 3: Cross multiply
    494,898.72x = 682,941.96 × 268,539.36
  4. Step 4: Simplify right side
    494,898.72x = 183,396,796,855.55
  5. Step 5: Solve for x
    x = 183,396,796,855.55/494,898.72
  6. Step 6: Final answer
    x = 370,574.40

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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.