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Finding the Fourth Proportional to 275,820.94, 380,649.12 and 207,717.76

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Solution

The fourth proportional to 275,820.94, 380,649.12 and 207,717.76 is: 286,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,820.94 : 380,649.12 = 207,717.76 : x
  2. Step 2: Convert to fraction form
    275,820.94/380,649.12 = 207,717.76/x
  3. Step 3: Cross multiply
    275,820.94x = 380,649.12 × 207,717.76
  4. Step 4: Simplify right side
    275,820.94x = 79,067,582,552.37
  5. Step 5: Solve for x
    x = 79,067,582,552.37/275,820.94
  6. Step 6: Final answer
    x = 286,662.73

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