Home / 826,495.20-1,239,261.06-320,464.98

Finding the Fourth Proportional to 826,495.20, 1,239,261.06 and 320,464.98

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Solution

The fourth proportional to 826,495.20, 1,239,261.06 and 320,464.98 is: 480,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,495.20 : 1,239,261.06 = 320,464.98 : x
  2. Step 2: Convert to fraction form
    826,495.20/1,239,261.06 = 320,464.98/x
  3. Step 3: Cross multiply
    826,495.20x = 1,239,261.06 × 320,464.98
  4. Step 4: Simplify right side
    826,495.20x = 397,139,770,807.68
  5. Step 5: Solve for x
    x = 397,139,770,807.68/826,495.20
  6. Step 6: Final answer
    x = 480,510.68

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