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Finding the Fourth Proportional to 497,270.20, 745,905.30 and 447,503.80

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Solution

The fourth proportional to 497,270.20, 745,905.30 and 447,503.80 is: 671,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,270.20 : 745,905.30 = 447,503.80 : x
  2. Step 2: Convert to fraction form
    497,270.20/745,905.30 = 447,503.80/x
  3. Step 3: Cross multiply
    497,270.20x = 745,905.30 × 447,503.80
  4. Step 4: Simplify right side
    497,270.20x = 333,795,456,190.14
  5. Step 5: Solve for x
    x = 333,795,456,190.14/497,270.20
  6. Step 6: Final answer
    x = 671,255.70

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