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Finding the Fourth Proportional to 499,629.87, 749,437.85 and 120,547.44

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Solution

The fourth proportional to 499,629.87, 749,437.85 and 120,547.44 is: 180,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,629.87 : 749,437.85 = 120,547.44 : x
  2. Step 2: Convert to fraction form
    499,629.87/749,437.85 = 120,547.44/x
  3. Step 3: Cross multiply
    499,629.87x = 749,437.85 × 120,547.44
  4. Step 4: Simplify right side
    499,629.87x = 90,342,814,557.97
  5. Step 5: Solve for x
    x = 90,342,814,557.97/499,629.87
  6. Step 6: Final answer
    x = 180,819.48

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