Home / 494,933.28-683,021.16-268,578.96

Finding the Fourth Proportional to 494,933.28, 683,021.16 and 268,578.96

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Solution

The fourth proportional to 494,933.28, 683,021.16 and 268,578.96 is: 370,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,933.28 : 683,021.16 = 268,578.96 : x
  2. Step 2: Convert to fraction form
    494,933.28/683,021.16 = 268,578.96/x
  3. Step 3: Cross multiply
    494,933.28x = 683,021.16 × 268,578.96
  4. Step 4: Simplify right side
    494,933.28x = 183,445,112,810.79
  5. Step 5: Solve for x
    x = 183,445,112,810.79/494,933.28
  6. Step 6: Final answer
    x = 370,646.15

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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.