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Finding the Fourth Proportional to 344,446.80, 516,670.20 and 307,705.20

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Solution

The fourth proportional to 344,446.80, 516,670.20 and 307,705.20 is: 461,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,446.80 : 516,670.20 = 307,705.20 : x
  2. Step 2: Convert to fraction form
    344,446.80/516,670.20 = 307,705.20/x
  3. Step 3: Cross multiply
    344,446.80x = 516,670.20 × 307,705.20
  4. Step 4: Simplify right side
    344,446.80x = 158,982,107,225.04
  5. Step 5: Solve for x
    x = 158,982,107,225.04/344,446.80
  6. Step 6: Final answer
    x = 461,557.80

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