Home / 939,825.72-1,409,732.10-229,863.96

Finding the Fourth Proportional to 939,825.72, 1,409,732.10 and 229,863.96

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Solution

The fourth proportional to 939,825.72, 1,409,732.10 and 229,863.96 is: 344,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,825.72 : 1,409,732.10 = 229,863.96 : x
  2. Step 2: Convert to fraction form
    939,825.72/1,409,732.10 = 229,863.96/x
  3. Step 3: Cross multiply
    939,825.72x = 1,409,732.10 × 229,863.96
  4. Step 4: Simplify right side
    939,825.72x = 324,046,603,045.12
  5. Step 5: Solve for x
    x = 324,046,603,045.12/939,825.72
  6. Step 6: Final answer
    x = 344,794.36

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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.