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Finding the Fourth Proportional to 523,344.40, 785,128.20 and 298,812.40

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Solution

The fourth proportional to 523,344.40, 785,128.20 and 298,812.40 is: 448,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,344.40 : 785,128.20 = 298,812.40 : x
  2. Step 2: Convert to fraction form
    523,344.40/785,128.20 = 298,812.40/x
  3. Step 3: Cross multiply
    523,344.40x = 785,128.20 × 298,812.40
  4. Step 4: Simplify right side
    523,344.40x = 234,606,041,749.68
  5. Step 5: Solve for x
    x = 234,606,041,749.68/523,344.40
  6. Step 6: Final answer
    x = 448,282.32

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