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Finding the Fourth Proportional to 488,136.41, 732,722.22 and 432,338.75

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Solution

The fourth proportional to 488,136.41, 732,722.22 and 432,338.75 is: 648,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,136.41 : 732,722.22 = 432,338.75 : x
  2. Step 2: Convert to fraction form
    488,136.41/732,722.22 = 432,338.75/x
  3. Step 3: Cross multiply
    488,136.41x = 732,722.22 × 432,338.75
  4. Step 4: Simplify right side
    488,136.41x = 316,784,208,692.03
  5. Step 5: Solve for x
    x = 316,784,208,692.03/488,136.41
  6. Step 6: Final answer
    x = 648,966.56

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