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Finding the Fourth Proportional to 508,732.80, 763,099.20 and 153,801.60

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Solution

The fourth proportional to 508,732.80, 763,099.20 and 153,801.60 is: 230,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,732.80 : 763,099.20 = 153,801.60 : x
  2. Step 2: Convert to fraction form
    508,732.80/763,099.20 = 153,801.60/x
  3. Step 3: Cross multiply
    508,732.80x = 763,099.20 × 153,801.60
  4. Step 4: Simplify right side
    508,732.80x = 117,365,877,918.72
  5. Step 5: Solve for x
    x = 117,365,877,918.72/508,732.80
  6. Step 6: Final answer
    x = 230,702.40

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