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Finding the Fourth Proportional to 438,685.48, 605,386.02 and 247,711.24

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Solution

The fourth proportional to 438,685.48, 605,386.02 and 247,711.24 is: 341,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,685.48 : 605,386.02 = 247,711.24 : x
  2. Step 2: Convert to fraction form
    438,685.48/605,386.02 = 247,711.24/x
  3. Step 3: Cross multiply
    438,685.48x = 605,386.02 × 247,711.24
  4. Step 4: Simplify right side
    438,685.48x = 149,960,921,692.87
  5. Step 5: Solve for x
    x = 149,960,921,692.87/438,685.48
  6. Step 6: Final answer
    x = 341,841.54

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