Home / 494,782.69-682,801.43-268,428.19

Finding the Fourth Proportional to 494,782.69, 682,801.43 and 268,428.19

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Solution

The fourth proportional to 494,782.69, 682,801.43 and 268,428.19 is: 370,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,782.69 : 682,801.43 = 268,428.19 : x
  2. Step 2: Convert to fraction form
    494,782.69/682,801.43 = 268,428.19/x
  3. Step 3: Cross multiply
    494,782.69x = 682,801.43 × 268,428.19
  4. Step 4: Simplify right side
    494,782.69x = 183,283,151,984.31
  5. Step 5: Solve for x
    x = 183,283,151,984.31/494,782.69
  6. Step 6: Final answer
    x = 370,431.62

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1.5x scale

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.