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Finding the Fourth Proportional to 576,028.40, 864,042.60 and 492,047.60

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Solution

The fourth proportional to 576,028.40, 864,042.60 and 492,047.60 is: 738,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,028.40 : 864,042.60 = 492,047.60 : x
  2. Step 2: Convert to fraction form
    576,028.40/864,042.60 = 492,047.60/x
  3. Step 3: Cross multiply
    576,028.40x = 864,042.60 × 492,047.60
  4. Step 4: Simplify right side
    576,028.40x = 425,150,087,627.76
  5. Step 5: Solve for x
    x = 425,150,087,627.76/576,028.40
  6. Step 6: Final answer
    x = 738,071.40

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