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Finding the Fourth Proportional to 436,083.20, 654,124.80 and 317,110.40

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Solution

The fourth proportional to 436,083.20, 654,124.80 and 317,110.40 is: 475,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,083.20 : 654,124.80 = 317,110.40 : x
  2. Step 2: Convert to fraction form
    436,083.20/654,124.80 = 317,110.40/x
  3. Step 3: Cross multiply
    436,083.20x = 654,124.80 × 317,110.40
  4. Step 4: Simplify right side
    436,083.20x = 207,429,776,977.92
  5. Step 5: Solve for x
    x = 207,429,776,977.92/436,083.20
  6. Step 6: Final answer
    x = 475,665.60

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