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Finding the Fourth Proportional to 448,083.80, 672,125.70 and 413,869.40

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Solution

The fourth proportional to 448,083.80, 672,125.70 and 413,869.40 is: 620,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,083.80 : 672,125.70 = 413,869.40 : x
  2. Step 2: Convert to fraction form
    448,083.80/672,125.70 = 413,869.40/x
  3. Step 3: Cross multiply
    448,083.80x = 672,125.70 × 413,869.40
  4. Step 4: Simplify right side
    448,083.80x = 278,172,260,183.58
  5. Step 5: Solve for x
    x = 278,172,260,183.58/448,083.80
  6. Step 6: Final answer
    x = 620,804.10

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