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Finding the Fourth Proportional to 507,754.76, 700,697.22 and 278,324.78

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Solution

The fourth proportional to 507,754.76, 700,697.22 and 278,324.78 is: 384,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,754.76 : 700,697.22 = 278,324.78 : x
  2. Step 2: Convert to fraction form
    507,754.76/700,697.22 = 278,324.78/x
  3. Step 3: Cross multiply
    507,754.76x = 700,697.22 × 278,324.78
  4. Step 4: Simplify right side
    507,754.76x = 195,021,399,603.11
  5. Step 5: Solve for x
    x = 195,021,399,603.11/507,754.76
  6. Step 6: Final answer
    x = 384,085.81

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