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Finding the Fourth Proportional to 643,861.62, 965,810.70 and 170,547.03

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Solution

The fourth proportional to 643,861.62, 965,810.70 and 170,547.03 is: 255,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,861.62 : 965,810.70 = 170,547.03 : x
  2. Step 2: Convert to fraction form
    643,861.62/965,810.70 = 170,547.03/x
  3. Step 3: Cross multiply
    643,861.62x = 965,810.70 × 170,547.03
  4. Step 4: Simplify right side
    643,861.62x = 164,716,146,427.22
  5. Step 5: Solve for x
    x = 164,716,146,427.22/643,861.62
  6. Step 6: Final answer
    x = 255,825.38

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