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Finding the Fourth Proportional to 666,807.44, 1,000,383 and 240,326.24

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Solution

The fourth proportional to 666,807.44, 1,000,383 and 240,326.24 is: 360,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,807.44 : 1,000,383 = 240,326.24 : x
  2. Step 2: Convert to fraction form
    666,807.44/1,000,383 = 240,326.24/x
  3. Step 3: Cross multiply
    666,807.44x = 1,000,383 × 240,326.24
  4. Step 4: Simplify right side
    666,807.44x = 240,418,284,949.92
  5. Step 5: Solve for x
    x = 240,418,284,949.92/666,807.44
  6. Step 6: Final answer
    x = 360,551.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.