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Finding the Fourth Proportional to 404,700.60, 607,742.10 and 265,078.20

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Solution

The fourth proportional to 404,700.60, 607,742.10 and 265,078.20 is: 398,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,700.60 : 607,742.10 = 265,078.20 : x
  2. Step 2: Convert to fraction form
    404,700.60/607,742.10 = 265,078.20/x
  3. Step 3: Cross multiply
    404,700.60x = 607,742.10 × 265,078.20
  4. Step 4: Simplify right side
    404,700.60x = 161,099,181,932.22
  5. Step 5: Solve for x
    x = 161,099,181,932.22/404,700.60
  6. Step 6: Final answer
    x = 398,070.03

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