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Finding the Fourth Proportional to 642,000.70, 963,001.05 and 327,072.70

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Solution

The fourth proportional to 642,000.70, 963,001.05 and 327,072.70 is: 490,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,000.70 : 963,001.05 = 327,072.70 : x
  2. Step 2: Convert to fraction form
    642,000.70/963,001.05 = 327,072.70/x
  3. Step 3: Cross multiply
    642,000.70x = 963,001.05 × 327,072.70
  4. Step 4: Simplify right side
    642,000.70x = 314,971,353,526.34
  5. Step 5: Solve for x
    x = 314,971,353,526.34/642,000.70
  6. Step 6: Final answer
    x = 490,609.05

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