Home / 699,797.55-1,049,689.44-320,610.73

Finding the Fourth Proportional to 699,797.55, 1,049,689.44 and 320,610.73

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Solution

The fourth proportional to 699,797.55, 1,049,689.44 and 320,610.73 is: 480,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,797.55 : 1,049,689.44 = 320,610.73 : x
  2. Step 2: Convert to fraction form
    699,797.55/1,049,689.44 = 320,610.73/x
  3. Step 3: Cross multiply
    699,797.55x = 1,049,689.44 × 320,610.73
  4. Step 4: Simplify right side
    699,797.55x = 336,541,697,631.69
  5. Step 5: Solve for x
    x = 336,541,697,631.69/699,797.55
  6. Step 6: Final answer
    x = 480,912.94

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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.