Home / 494,916.39-682,986.42-268,561.89

Finding the Fourth Proportional to 494,916.39, 682,986.42 and 268,561.89

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Solution

The fourth proportional to 494,916.39, 682,986.42 and 268,561.89 is: 370,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,916.39 : 682,986.42 = 268,561.89 : x
  2. Step 2: Convert to fraction form
    494,916.39/682,986.42 = 268,561.89/x
  3. Step 3: Cross multiply
    494,916.39x = 682,986.42 × 268,561.89
  4. Step 4: Simplify right side
    494,916.39x = 183,424,123,799.53
  5. Step 5: Solve for x
    x = 183,424,123,799.53/494,916.39
  6. Step 6: Final answer
    x = 370,616.39

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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.