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Finding the Fourth Proportional to 490,605.85, 676,630.93 and 345,893.88

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Solution

The fourth proportional to 490,605.85, 676,630.93 and 345,893.88 is: 477,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,605.85 : 676,630.93 = 345,893.88 : x
  2. Step 2: Convert to fraction form
    490,605.85/676,630.93 = 345,893.88/x
  3. Step 3: Cross multiply
    490,605.85x = 676,630.93 × 345,893.88
  4. Step 4: Simplify right side
    490,605.85x = 234,042,497,705.71
  5. Step 5: Solve for x
    x = 234,042,497,705.71/490,605.85
  6. Step 6: Final answer
    x = 477,047.91

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