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Finding the Fourth Proportional to 503,734.20, 755,601.30 and 438,124.20

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Solution

The fourth proportional to 503,734.20, 755,601.30 and 438,124.20 is: 657,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,734.20 : 755,601.30 = 438,124.20 : x
  2. Step 2: Convert to fraction form
    503,734.20/755,601.30 = 438,124.20/x
  3. Step 3: Cross multiply
    503,734.20x = 755,601.30 × 438,124.20
  4. Step 4: Simplify right side
    503,734.20x = 331,047,215,081.46
  5. Step 5: Solve for x
    x = 331,047,215,081.46/503,734.20
  6. Step 6: Final answer
    x = 657,186.30

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