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Finding the Fourth Proportional to 639,368.10, 882,265.16 and 352,869.69

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Solution

The fourth proportional to 639,368.10, 882,265.16 and 352,869.69 is: 486,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,368.10 : 882,265.16 = 352,869.69 : x
  2. Step 2: Convert to fraction form
    639,368.10/882,265.16 = 352,869.69/x
  3. Step 3: Cross multiply
    639,368.10x = 882,265.16 × 352,869.69
  4. Step 4: Simplify right side
    639,368.10x = 311,324,633,507.00
  5. Step 5: Solve for x
    x = 311,324,633,507.00/639,368.10
  6. Step 6: Final answer
    x = 486,925.50

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