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Finding the Fourth Proportional to 507,453.13, 700,285.26 and 278,018.56

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Solution

The fourth proportional to 507,453.13, 700,285.26 and 278,018.56 is: 383,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,453.13 : 700,285.26 = 278,018.56 : x
  2. Step 2: Convert to fraction form
    507,453.13/700,285.26 = 278,018.56/x
  3. Step 3: Cross multiply
    507,453.13x = 700,285.26 × 278,018.56
  4. Step 4: Simplify right side
    507,453.13x = 194,692,299,574.43
  5. Step 5: Solve for x
    x = 194,692,299,574.43/507,453.13
  6. Step 6: Final answer
    x = 383,665.58

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