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Finding the Fourth Proportional to 557,525.81, 769,388.75 and 302,877.61

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Solution

The fourth proportional to 557,525.81, 769,388.75 and 302,877.61 is: 417,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,525.81 : 769,388.75 = 302,877.61 : x
  2. Step 2: Convert to fraction form
    557,525.81/769,388.75 = 302,877.61/x
  3. Step 3: Cross multiply
    557,525.81x = 769,388.75 × 302,877.61
  4. Step 4: Simplify right side
    557,525.81x = 233,030,625,760.89
  5. Step 5: Solve for x
    x = 233,030,625,760.89/557,525.81
  6. Step 6: Final answer
    x = 417,972.80

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