Home / 492,821.04-680,092.11-277,960.44

Finding the Fourth Proportional to 492,821.04, 680,092.11 and 277,960.44

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Solution

The fourth proportional to 492,821.04, 680,092.11 and 277,960.44 is: 383,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,821.04 : 680,092.11 = 277,960.44 : x
  2. Step 2: Convert to fraction form
    492,821.04/680,092.11 = 277,960.44/x
  3. Step 3: Cross multiply
    492,821.04x = 680,092.11 × 277,960.44
  4. Step 4: Simplify right side
    492,821.04x = 189,038,702,136.13
  5. Step 5: Solve for x
    x = 189,038,702,136.13/492,821.04
  6. Step 6: Final answer
    x = 383,584.89

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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.