Home / 809,851.80-1,117,606.14-447,274.56

Finding the Fourth Proportional to 809,851.80, 1,117,606.14 and 447,274.56

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Solution

The fourth proportional to 809,851.80, 1,117,606.14 and 447,274.56 is: 617,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,851.80 : 1,117,606.14 = 447,274.56 : x
  2. Step 2: Convert to fraction form
    809,851.80/1,117,606.14 = 447,274.56/x
  3. Step 3: Cross multiply
    809,851.80x = 1,117,606.14 × 447,274.56
  4. Step 4: Simplify right side
    809,851.80x = 499,876,794,521.80
  5. Step 5: Solve for x
    x = 499,876,794,521.80/809,851.80
  6. Step 6: Final answer
    x = 617,244.78

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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.