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Finding the Fourth Proportional to 455,592.80, 683,389.20 and 202,872.80

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Solution

The fourth proportional to 455,592.80, 683,389.20 and 202,872.80 is: 304,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,592.80 : 683,389.20 = 202,872.80 : x
  2. Step 2: Convert to fraction form
    455,592.80/683,389.20 = 202,872.80/x
  3. Step 3: Cross multiply
    455,592.80x = 683,389.20 × 202,872.80
  4. Step 4: Simplify right side
    455,592.80x = 138,641,080,493.76
  5. Step 5: Solve for x
    x = 138,641,080,493.76/455,592.80
  6. Step 6: Final answer
    x = 304,309.20

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