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Finding the Fourth Proportional to 485,072.93, 727,609.44 and 185,645.36

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Solution

The fourth proportional to 485,072.93, 727,609.44 and 185,645.36 is: 278,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,072.93 : 727,609.44 = 185,645.36 : x
  2. Step 2: Convert to fraction form
    485,072.93/727,609.44 = 185,645.36/x
  3. Step 3: Cross multiply
    485,072.93x = 727,609.44 × 185,645.36
  4. Step 4: Simplify right side
    485,072.93x = 135,077,316,428.20
  5. Step 5: Solve for x
    x = 135,077,316,428.20/485,072.93
  6. Step 6: Final answer
    x = 278,468.06

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