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Finding the Fourth Proportional to 888,958.73, 1,226,753.70 and 481,051.64

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Solution

The fourth proportional to 888,958.73, 1,226,753.70 and 481,051.64 is: 663,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,958.73 : 1,226,753.70 = 481,051.64 : x
  2. Step 2: Convert to fraction form
    888,958.73/1,226,753.70 = 481,051.64/x
  3. Step 3: Cross multiply
    888,958.73x = 1,226,753.70 × 481,051.64
  4. Step 4: Simplify right side
    888,958.73x = 590,131,879,261.07
  5. Step 5: Solve for x
    x = 590,131,879,261.07/888,958.73
  6. Step 6: Final answer
    x = 663,846.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.