Home / 495,003.11-683,104.28-268,648.61

Finding the Fourth Proportional to 495,003.11, 683,104.28 and 268,648.61

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Solution

The fourth proportional to 495,003.11, 683,104.28 and 268,648.61 is: 370,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,003.11 : 683,104.28 = 268,648.61 : x
  2. Step 2: Convert to fraction form
    495,003.11/683,104.28 = 268,648.61/x
  3. Step 3: Cross multiply
    495,003.11x = 683,104.28 × 268,648.61
  4. Step 4: Simplify right side
    495,003.11x = 183,515,010,548.29
  5. Step 5: Solve for x
    x = 183,515,010,548.29/495,003.11
  6. Step 6: Final answer
    x = 370,735.07

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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.