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Finding the Fourth Proportional to 346,722.80, 520,084.20 and 323,394.80

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Solution

The fourth proportional to 346,722.80, 520,084.20 and 323,394.80 is: 485,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,722.80 : 520,084.20 = 323,394.80 : x
  2. Step 2: Convert to fraction form
    346,722.80/520,084.20 = 323,394.80/x
  3. Step 3: Cross multiply
    346,722.80x = 520,084.20 × 323,394.80
  4. Step 4: Simplify right side
    346,722.80x = 168,192,525,842.16
  5. Step 5: Solve for x
    x = 168,192,525,842.16/346,722.80
  6. Step 6: Final answer
    x = 485,092.20

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