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Finding the Fourth Proportional to 448,139.60, 670,265.40 and 401,094.80

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Solution

The fourth proportional to 448,139.60, 670,265.40 and 401,094.80 is: 599,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,139.60 : 670,265.40 = 401,094.80 : x
  2. Step 2: Convert to fraction form
    448,139.60/670,265.40 = 401,094.80/x
  3. Step 3: Cross multiply
    448,139.60x = 670,265.40 × 401,094.80
  4. Step 4: Simplify right side
    448,139.60x = 268,839,966,559.92
  5. Step 5: Solve for x
    x = 268,839,966,559.92/448,139.60
  6. Step 6: Final answer
    x = 599,902.28

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