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Finding the Fourth Proportional to 523,672.40, 783,694.20 and 313,461.20

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Solution

The fourth proportional to 523,672.40, 783,694.20 and 313,461.20 is: 469,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,672.40 : 783,694.20 = 313,461.20 : x
  2. Step 2: Convert to fraction form
    523,672.40/783,694.20 = 313,461.20/x
  3. Step 3: Cross multiply
    523,672.40x = 783,694.20 × 313,461.20
  4. Step 4: Simplify right side
    523,672.40x = 245,657,724,365.04
  5. Step 5: Solve for x
    x = 245,657,724,365.04/523,672.40
  6. Step 6: Final answer
    x = 469,105.73

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