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Finding the Fourth Proportional to 518,289.22, 715,263.42 and 303,498.46

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Solution

The fourth proportional to 518,289.22, 715,263.42 and 303,498.46 is: 418,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,289.22 : 715,263.42 = 303,498.46 : x
  2. Step 2: Convert to fraction form
    518,289.22/715,263.42 = 303,498.46/x
  3. Step 3: Cross multiply
    518,289.22x = 715,263.42 × 303,498.46
  4. Step 4: Simplify right side
    518,289.22x = 217,081,346,464.33
  5. Step 5: Solve for x
    x = 217,081,346,464.33/518,289.22
  6. Step 6: Final answer
    x = 418,842.10

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