Home / 809,760.44-1,117,462.83-447,208.76

Finding the Fourth Proportional to 809,760.44, 1,117,462.83 and 447,208.76

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Solution

The fourth proportional to 809,760.44, 1,117,462.83 and 447,208.76 is: 617,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,760.44 : 1,117,462.83 = 447,208.76 : x
  2. Step 2: Convert to fraction form
    809,760.44/1,117,462.83 = 447,208.76/x
  3. Step 3: Cross multiply
    809,760.44x = 1,117,462.83 × 447,208.76
  4. Step 4: Simplify right side
    809,760.44x = 499,739,166,550.39
  5. Step 5: Solve for x
    x = 499,739,166,550.39/809,760.44
  6. Step 6: Final answer
    x = 617,144.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.