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Finding the Fourth Proportional to 503,770.40, 755,655.60 and 354,179.60

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Solution

The fourth proportional to 503,770.40, 755,655.60 and 354,179.60 is: 531,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,770.40 : 755,655.60 = 354,179.60 : x
  2. Step 2: Convert to fraction form
    503,770.40/755,655.60 = 354,179.60/x
  3. Step 3: Cross multiply
    503,770.40x = 755,655.60 × 354,179.60
  4. Step 4: Simplify right side
    503,770.40x = 267,637,798,145.76
  5. Step 5: Solve for x
    x = 267,637,798,145.76/503,770.40
  6. Step 6: Final answer
    x = 531,269.40

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