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Finding the Fourth Proportional to 531,801.60, 798,220.80 and 265,862.40

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Solution

The fourth proportional to 531,801.60, 798,220.80 and 265,862.40 is: 399,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,801.60 : 798,220.80 = 265,862.40 : x
  2. Step 2: Convert to fraction form
    531,801.60/798,220.80 = 265,862.40/x
  3. Step 3: Cross multiply
    531,801.60x = 798,220.80 × 265,862.40
  4. Step 4: Simplify right side
    531,801.60x = 212,216,897,617.92
  5. Step 5: Solve for x
    x = 212,216,897,617.92/531,801.60
  6. Step 6: Final answer
    x = 399,052.76

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