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Finding the Fourth Proportional to 488,780.43, 674,543.94 and 273,989.49

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Solution

The fourth proportional to 488,780.43, 674,543.94 and 273,989.49 is: 378,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,780.43 : 674,543.94 = 273,989.49 : x
  2. Step 2: Convert to fraction form
    488,780.43/674,543.94 = 273,989.49/x
  3. Step 3: Cross multiply
    488,780.43x = 674,543.94 × 273,989.49
  4. Step 4: Simplify right side
    488,780.43x = 184,817,945,360.52
  5. Step 5: Solve for x
    x = 184,817,945,360.52/488,780.43
  6. Step 6: Final answer
    x = 378,120.60

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