Home / 495,648.55-683,986.57-269,292.43

Finding the Fourth Proportional to 495,648.55, 683,986.57 and 269,292.43

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Solution

The fourth proportional to 495,648.55, 683,986.57 and 269,292.43 is: 371,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,648.55 : 683,986.57 = 269,292.43 : x
  2. Step 2: Convert to fraction form
    495,648.55/683,986.57 = 269,292.43/x
  3. Step 3: Cross multiply
    495,648.55x = 683,986.57 × 269,292.43
  4. Step 4: Simplify right side
    495,648.55x = 184,192,405,522.67
  5. Step 5: Solve for x
    x = 184,192,405,522.67/495,648.55
  6. Step 6: Final answer
    x = 371,618.97

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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.