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Finding the Fourth Proportional to 497,671.60, 746,507.40 and 272,945.20

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Solution

The fourth proportional to 497,671.60, 746,507.40 and 272,945.20 is: 409,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,671.60 : 746,507.40 = 272,945.20 : x
  2. Step 2: Convert to fraction form
    497,671.60/746,507.40 = 272,945.20/x
  3. Step 3: Cross multiply
    497,671.60x = 746,507.40 × 272,945.20
  4. Step 4: Simplify right side
    497,671.60x = 203,755,611,594.48
  5. Step 5: Solve for x
    x = 203,755,611,594.48/497,671.60
  6. Step 6: Final answer
    x = 409,417.80

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