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Finding the Fourth Proportional to 553,957.36, 830,936.25 and 427,782.04

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Solution

The fourth proportional to 553,957.36, 830,936.25 and 427,782.04 is: 641,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,957.36 : 830,936.25 = 427,782.04 : x
  2. Step 2: Convert to fraction form
    553,957.36/830,936.25 = 427,782.04/x
  3. Step 3: Cross multiply
    553,957.36x = 830,936.25 × 427,782.04
  4. Step 4: Simplify right side
    553,957.36x = 355,459,602,057.61
  5. Step 5: Solve for x
    x = 355,459,602,057.61/553,957.36
  6. Step 6: Final answer
    x = 641,673.22

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