Home / 663,944.44-916,320.90-377,507.56

Finding the Fourth Proportional to 663,944.44, 916,320.90 and 377,507.56

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Solution

The fourth proportional to 663,944.44, 916,320.90 and 377,507.56 is: 521,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,944.44 : 916,320.90 = 377,507.56 : x
  2. Step 2: Convert to fraction form
    663,944.44/916,320.90 = 377,507.56/x
  3. Step 3: Cross multiply
    663,944.44x = 916,320.90 × 377,507.56
  4. Step 4: Simplify right side
    663,944.44x = 345,918,067,136.00
  5. Step 5: Solve for x
    x = 345,918,067,136.00/663,944.44
  6. Step 6: Final answer
    x = 521,004.54

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