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Finding the Fourth Proportional to 483,128.72, 666,779.14 and 292,143.48

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Solution

The fourth proportional to 483,128.72, 666,779.14 and 292,143.48 is: 403,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,128.72 : 666,779.14 = 292,143.48 : x
  2. Step 2: Convert to fraction form
    483,128.72/666,779.14 = 292,143.48/x
  3. Step 3: Cross multiply
    483,128.72x = 666,779.14 × 292,143.48
  4. Step 4: Simplify right side
    483,128.72x = 194,795,176,215.77
  5. Step 5: Solve for x
    x = 194,795,176,215.77/483,128.72
  6. Step 6: Final answer
    x = 403,195.19

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