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Finding the Fourth Proportional to 553,790.00, 830,825.10 and 154,430.80

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Solution

The fourth proportional to 553,790.00, 830,825.10 and 154,430.80 is: 231,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,790.00 : 830,825.10 = 154,430.80 : x
  2. Step 2: Convert to fraction form
    553,790.00/830,825.10 = 154,430.80/x
  3. Step 3: Cross multiply
    553,790.00x = 830,825.10 × 154,430.80
  4. Step 4: Simplify right side
    553,790.00x = 128,304,987,449.41
  5. Step 5: Solve for x
    x = 128,304,987,449.41/553,790.00
  6. Step 6: Final answer
    x = 231,685.27

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