Home / 494,429.43-682,326-279,601.50

Finding the Fourth Proportional to 494,429.43, 682,326 and 279,601.50

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Solution

The fourth proportional to 494,429.43, 682,326 and 279,601.50 is: 385,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,429.43 : 682,326 = 279,601.50 : x
  2. Step 2: Convert to fraction form
    494,429.43/682,326 = 279,601.50/x
  3. Step 3: Cross multiply
    494,429.43x = 682,326 × 279,601.50
  4. Step 4: Simplify right side
    494,429.43x = 190,779,373,089
  5. Step 5: Solve for x
    x = 190,779,373,089/494,429.43
  6. Step 6: Final answer
    x = 385,857.64

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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.