Home / 488,981.41-674,793.89-274,121.47

Finding the Fourth Proportional to 488,981.41, 674,793.89 and 274,121.47

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Solution

The fourth proportional to 488,981.41, 674,793.89 and 274,121.47 is: 378,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,981.41 : 674,793.89 = 274,121.47 : x
  2. Step 2: Convert to fraction form
    488,981.41/674,793.89 = 274,121.47/x
  3. Step 3: Cross multiply
    488,981.41x = 674,793.89 × 274,121.47
  4. Step 4: Simplify right side
    488,981.41x = 184,975,489,778.94
  5. Step 5: Solve for x
    x = 184,975,489,778.94/488,981.41
  6. Step 6: Final answer
    x = 378,287.37

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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.