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Finding the Fourth Proportional to 641,762.70, 885,725.18 and 369,778.47

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Solution

The fourth proportional to 641,762.70, 885,725.18 and 369,778.47 is: 510,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,762.70 : 885,725.18 = 369,778.47 : x
  2. Step 2: Convert to fraction form
    641,762.70/885,725.18 = 369,778.47/x
  3. Step 3: Cross multiply
    641,762.70x = 885,725.18 × 369,778.47
  4. Step 4: Simplify right side
    641,762.70x = 327,522,101,900.88
  5. Step 5: Solve for x
    x = 327,522,101,900.88/641,762.70
  6. Step 6: Final answer
    x = 510,347.68

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