Home / 929,383.20-1,394,133.12-298,283.04

Finding the Fourth Proportional to 929,383.20, 1,394,133.12 and 298,283.04

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Solution

The fourth proportional to 929,383.20, 1,394,133.12 and 298,283.04 is: 447,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,383.20 : 1,394,133.12 = 298,283.04 : x
  2. Step 2: Convert to fraction form
    929,383.20/1,394,133.12 = 298,283.04/x
  3. Step 3: Cross multiply
    929,383.20x = 1,394,133.12 × 298,283.04
  4. Step 4: Simplify right side
    929,383.20x = 415,846,265,198.29
  5. Step 5: Solve for x
    x = 415,846,265,198.29/929,383.20
  6. Step 6: Final answer
    x = 447,443.28

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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.