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Finding the Fourth Proportional to 583,046.40, 873,403.20 and 394,089.60

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Solution

The fourth proportional to 583,046.40, 873,403.20 and 394,089.60 is: 590,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,046.40 : 873,403.20 = 394,089.60 : x
  2. Step 2: Convert to fraction form
    583,046.40/873,403.20 = 394,089.60/x
  3. Step 3: Cross multiply
    583,046.40x = 873,403.20 × 394,089.60
  4. Step 4: Simplify right side
    583,046.40x = 344,199,117,726.72
  5. Step 5: Solve for x
    x = 344,199,117,726.72/583,046.40
  6. Step 6: Final answer
    x = 590,346.01

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