Home / 699,797.06-1,049,688.70-320,610.24

Finding the Fourth Proportional to 699,797.06, 1,049,688.70 and 320,610.24

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Solution

The fourth proportional to 699,797.06, 1,049,688.70 and 320,610.24 is: 480,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,797.06 : 1,049,688.70 = 320,610.24 : x
  2. Step 2: Convert to fraction form
    699,797.06/1,049,688.70 = 320,610.24/x
  3. Step 3: Cross multiply
    699,797.06x = 1,049,688.70 × 320,610.24
  4. Step 4: Simplify right side
    699,797.06x = 336,540,939,180.79
  5. Step 5: Solve for x
    x = 336,540,939,180.79/699,797.06
  6. Step 6: Final answer
    x = 480,912.20

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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.