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Finding the Fourth Proportional to 591,745.20, 887,617.80 and 402,788.40

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Solution

The fourth proportional to 591,745.20, 887,617.80 and 402,788.40 is: 604,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,745.20 : 887,617.80 = 402,788.40 : x
  2. Step 2: Convert to fraction form
    591,745.20/887,617.80 = 402,788.40/x
  3. Step 3: Cross multiply
    591,745.20x = 887,617.80 × 402,788.40
  4. Step 4: Simplify right side
    591,745.20x = 357,522,153,473.52
  5. Step 5: Solve for x
    x = 357,522,153,473.52/591,745.20
  6. Step 6: Final answer
    x = 604,182.60

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