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Finding the Fourth Proportional to 416,849.81, 575,451.08 and 279,265.64

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Solution

The fourth proportional to 416,849.81, 575,451.08 and 279,265.64 is: 385,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,849.81 : 575,451.08 = 279,265.64 : x
  2. Step 2: Convert to fraction form
    416,849.81/575,451.08 = 279,265.64/x
  3. Step 3: Cross multiply
    416,849.81x = 575,451.08 × 279,265.64
  4. Step 4: Simplify right side
    416,849.81x = 160,703,714,144.89
  5. Step 5: Solve for x
    x = 160,703,714,144.89/416,849.81
  6. Step 6: Final answer
    x = 385,519.46

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