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Finding the Fourth Proportional to 498,197.79, 687,341.57 and 302,027.53

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Solution

The fourth proportional to 498,197.79, 687,341.57 and 302,027.53 is: 416,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,197.79 : 687,341.57 = 302,027.53 : x
  2. Step 2: Convert to fraction form
    498,197.79/687,341.57 = 302,027.53/x
  3. Step 3: Cross multiply
    498,197.79x = 687,341.57 × 302,027.53
  4. Step 4: Simplify right side
    498,197.79x = 207,596,077,651.87
  5. Step 5: Solve for x
    x = 207,596,077,651.87/498,197.79
  6. Step 6: Final answer
    x = 416,694.10

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