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Finding the Fourth Proportional to 538,807.95, 743,560.16 and 297,099.09

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Solution

The fourth proportional to 538,807.95, 743,560.16 and 297,099.09 is: 409,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,807.95 : 743,560.16 = 297,099.09 : x
  2. Step 2: Convert to fraction form
    538,807.95/743,560.16 = 297,099.09/x
  3. Step 3: Cross multiply
    538,807.95x = 743,560.16 × 297,099.09
  4. Step 4: Simplify right side
    538,807.95x = 220,911,045,410.76
  5. Step 5: Solve for x
    x = 220,911,045,410.76/538,807.95
  6. Step 6: Final answer
    x = 409,999.60

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