Home / 856,507.42-1,284,762.06-257,468.52

Finding the Fourth Proportional to 856,507.42, 1,284,762.06 and 257,468.52

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Solution

The fourth proportional to 856,507.42, 1,284,762.06 and 257,468.52 is: 386,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,507.42 : 1,284,762.06 = 257,468.52 : x
  2. Step 2: Convert to fraction form
    856,507.42/1,284,762.06 = 257,468.52/x
  3. Step 3: Cross multiply
    856,507.42x = 1,284,762.06 × 257,468.52
  4. Step 4: Simplify right side
    856,507.42x = 330,785,786,140.35
  5. Step 5: Solve for x
    x = 330,785,786,140.35/856,507.42
  6. Step 6: Final answer
    x = 386,203.06

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