Home / 929,449.92-1,394,043.12-298,280.64

Finding the Fourth Proportional to 929,449.92, 1,394,043.12 and 298,280.64

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Solution

The fourth proportional to 929,449.92, 1,394,043.12 and 298,280.64 is: 447,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,449.92 : 1,394,043.12 = 298,280.64 : x
  2. Step 2: Convert to fraction form
    929,449.92/1,394,043.12 = 298,280.64/x
  3. Step 3: Cross multiply
    929,449.92x = 1,394,043.12 × 298,280.64
  4. Step 4: Simplify right side
    929,449.92x = 415,816,074,021.20
  5. Step 5: Solve for x
    x = 415,816,074,021.20/929,449.92
  6. Step 6: Final answer
    x = 447,378.68

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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.