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Finding the Fourth Proportional to 642,003.70, 963,005.55 and 327,075.70

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Solution

The fourth proportional to 642,003.70, 963,005.55 and 327,075.70 is: 490,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,003.70 : 963,005.55 = 327,075.70 : x
  2. Step 2: Convert to fraction form
    642,003.70/963,005.55 = 327,075.70/x
  3. Step 3: Cross multiply
    642,003.70x = 963,005.55 × 327,075.70
  4. Step 4: Simplify right side
    642,003.70x = 314,975,714,370.14
  5. Step 5: Solve for x
    x = 314,975,714,370.14/642,003.70
  6. Step 6: Final answer
    x = 490,613.55

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