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Finding the Fourth Proportional to 425,727.60, 637,900.20 and 267,673.20

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Solution

The fourth proportional to 425,727.60, 637,900.20 and 267,673.20 is: 401,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,727.60 : 637,900.20 = 267,673.20 : x
  2. Step 2: Convert to fraction form
    425,727.60/637,900.20 = 267,673.20/x
  3. Step 3: Cross multiply
    425,727.60x = 637,900.20 × 267,673.20
  4. Step 4: Simplify right side
    425,727.60x = 170,748,787,814.64
  5. Step 5: Solve for x
    x = 170,748,787,814.64/425,727.60
  6. Step 6: Final answer
    x = 401,075.21

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