Home / 494,945.29-683,020.51-268,590.79

Finding the Fourth Proportional to 494,945.29, 683,020.51 and 268,590.79

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Solution

The fourth proportional to 494,945.29, 683,020.51 and 268,590.79 is: 370,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,945.29 : 683,020.51 = 268,590.79 : x
  2. Step 2: Convert to fraction form
    494,945.29/683,020.51 = 268,590.79/x
  3. Step 3: Cross multiply
    494,945.29x = 683,020.51 × 268,590.79
  4. Step 4: Simplify right side
    494,945.29x = 183,453,018,367.10
  5. Step 5: Solve for x
    x = 183,453,018,367.10/494,945.29
  6. Step 6: Final answer
    x = 370,653.12

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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.