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Finding the Fourth Proportional to 519,912.70, 717,445.26 and 302,102.08

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Solution

The fourth proportional to 519,912.70, 717,445.26 and 302,102.08 is: 416,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,912.70 : 717,445.26 = 302,102.08 : x
  2. Step 2: Convert to fraction form
    519,912.70/717,445.26 = 302,102.08/x
  3. Step 3: Cross multiply
    519,912.70x = 717,445.26 × 302,102.08
  4. Step 4: Simplify right side
    519,912.70x = 216,741,705,332.14
  5. Step 5: Solve for x
    x = 216,741,705,332.14/519,912.70
  6. Step 6: Final answer
    x = 416,880.96

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