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Finding the Fourth Proportional to 498,499.70, 747,749.55 and 498,499.70

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Solution

The fourth proportional to 498,499.70, 747,749.55 and 498,499.70 is: 747,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,499.70 : 747,749.55 = 498,499.70 : x
  2. Step 2: Convert to fraction form
    498,499.70/747,749.55 = 498,499.70/x
  3. Step 3: Cross multiply
    498,499.70x = 747,749.55 × 498,499.70
  4. Step 4: Simplify right side
    498,499.70x = 372,752,926,350.14
  5. Step 5: Solve for x
    x = 372,752,926,350.14/498,499.70
  6. Step 6: Final answer
    x = 747,749.55

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