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Finding the Fourth Proportional to 583,247.40, 873,704.70 and 394,290.60

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Solution

The fourth proportional to 583,247.40, 873,704.70 and 394,290.60 is: 590,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,247.40 : 873,704.70 = 394,290.60 : x
  2. Step 2: Convert to fraction form
    583,247.40/873,704.70 = 394,290.60/x
  3. Step 3: Cross multiply
    583,247.40x = 873,704.70 × 394,290.60
  4. Step 4: Simplify right side
    583,247.40x = 344,493,550,385.82
  5. Step 5: Solve for x
    x = 344,493,550,385.82/583,247.40
  6. Step 6: Final answer
    x = 590,647.38

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