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Finding the Fourth Proportional to 465,638.40, 698,457.60 and 133,214.40

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Solution

The fourth proportional to 465,638.40, 698,457.60 and 133,214.40 is: 199,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,638.40 : 698,457.60 = 133,214.40 : x
  2. Step 2: Convert to fraction form
    465,638.40/698,457.60 = 133,214.40/x
  3. Step 3: Cross multiply
    465,638.40x = 698,457.60 × 133,214.40
  4. Step 4: Simplify right side
    465,638.40x = 93,044,610,109.44
  5. Step 5: Solve for x
    x = 93,044,610,109.44/465,638.40
  6. Step 6: Final answer
    x = 199,821.60

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