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Finding the Fourth Proportional to 465,785.40, 698,678.10 and 133,361.40

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Solution

The fourth proportional to 465,785.40, 698,678.10 and 133,361.40 is: 200,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,785.40 : 698,678.10 = 133,361.40 : x
  2. Step 2: Convert to fraction form
    465,785.40/698,678.10 = 133,361.40/x
  3. Step 3: Cross multiply
    465,785.40x = 698,678.10 × 133,361.40
  4. Step 4: Simplify right side
    465,785.40x = 93,176,689,565.34
  5. Step 5: Solve for x
    x = 93,176,689,565.34/465,785.40
  6. Step 6: Final answer
    x = 200,042.10

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