Home / 929,606.80-1,394,410.20-331,243.60

Finding the Fourth Proportional to 929,606.80, 1,394,410.20 and 331,243.60

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Solution

The fourth proportional to 929,606.80, 1,394,410.20 and 331,243.60 is: 496,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,606.80 : 1,394,410.20 = 331,243.60 : x
  2. Step 2: Convert to fraction form
    929,606.80/1,394,410.20 = 331,243.60/x
  3. Step 3: Cross multiply
    929,606.80x = 1,394,410.20 × 331,243.60
  4. Step 4: Simplify right side
    929,606.80x = 461,889,454,524.72
  5. Step 5: Solve for x
    x = 461,889,454,524.72/929,606.80
  6. Step 6: Final answer
    x = 496,865.40

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Similar ratio
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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.