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Finding the Fourth Proportional to 450,806.48, 622,113.20 and 281,041.28

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Solution

The fourth proportional to 450,806.48, 622,113.20 and 281,041.28 is: 387,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,806.48 : 622,113.20 = 281,041.28 : x
  2. Step 2: Convert to fraction form
    450,806.48/622,113.20 = 281,041.28/x
  3. Step 3: Cross multiply
    450,806.48x = 622,113.20 × 281,041.28
  4. Step 4: Simplify right side
    450,806.48x = 174,839,490,032.90
  5. Step 5: Solve for x
    x = 174,839,490,032.90/450,806.48
  6. Step 6: Final answer
    x = 387,837.13

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