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Finding the Fourth Proportional to 465,444.72, 698,153.13 and 128,505.94

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Solution

The fourth proportional to 465,444.72, 698,153.13 and 128,505.94 is: 192,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,444.72 : 698,153.13 = 128,505.94 : x
  2. Step 2: Convert to fraction form
    465,444.72/698,153.13 = 128,505.94/x
  3. Step 3: Cross multiply
    465,444.72x = 698,153.13 × 128,505.94
  4. Step 4: Simplify right side
    465,444.72x = 89,716,822,489.21
  5. Step 5: Solve for x
    x = 89,716,822,489.21/465,444.72
  6. Step 6: Final answer
    x = 192,755.05

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