Home / 929,386.20-1,394,137.62-298,286.04

Finding the Fourth Proportional to 929,386.20, 1,394,137.62 and 298,286.04

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Solution

The fourth proportional to 929,386.20, 1,394,137.62 and 298,286.04 is: 447,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,386.20 : 1,394,137.62 = 298,286.04 : x
  2. Step 2: Convert to fraction form
    929,386.20/1,394,137.62 = 298,286.04/x
  3. Step 3: Cross multiply
    929,386.20x = 1,394,137.62 × 298,286.04
  4. Step 4: Simplify right side
    929,386.20x = 415,851,789,884.83
  5. Step 5: Solve for x
    x = 415,851,789,884.83/929,386.20
  6. Step 6: Final answer
    x = 447,447.78

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1.5x scale

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.