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Finding the Fourth Proportional to 576,430.28, 795,487.20 and 361,579.40

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Solution

The fourth proportional to 576,430.28, 795,487.20 and 361,579.40 is: 498,987.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,430.28 : 795,487.20 = 361,579.40 : x
  2. Step 2: Convert to fraction form
    576,430.28/795,487.20 = 361,579.40/x
  3. Step 3: Cross multiply
    576,430.28x = 795,487.20 × 361,579.40
  4. Step 4: Simplify right side
    576,430.28x = 287,631,784,483.68
  5. Step 5: Solve for x
    x = 287,631,784,483.68/576,430.28
  6. Step 6: Final answer
    x = 498,987.99

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