Home / 495,436.91-683,661.20-274,680.11

Finding the Fourth Proportional to 495,436.91, 683,661.20 and 274,680.11

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Solution

The fourth proportional to 495,436.91, 683,661.20 and 274,680.11 is: 379,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,436.91 : 683,661.20 = 274,680.11 : x
  2. Step 2: Convert to fraction form
    495,436.91/683,661.20 = 274,680.11/x
  3. Step 3: Cross multiply
    495,436.91x = 683,661.20 × 274,680.11
  4. Step 4: Simplify right side
    495,436.91x = 187,788,131,653.97
  5. Step 5: Solve for x
    x = 187,788,131,653.97/495,436.91
  6. Step 6: Final answer
    x = 379,035.41

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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.