Home / 809,759.44-1,117,461.45-447,207.76

Finding the Fourth Proportional to 809,759.44, 1,117,461.45 and 447,207.76

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Solution

The fourth proportional to 809,759.44, 1,117,461.45 and 447,207.76 is: 617,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,759.44 : 1,117,461.45 = 447,207.76 : x
  2. Step 2: Convert to fraction form
    809,759.44/1,117,461.45 = 447,207.76/x
  3. Step 3: Cross multiply
    809,759.44x = 1,117,461.45 × 447,207.76
  4. Step 4: Simplify right side
    809,759.44x = 499,737,431,940.85
  5. Step 5: Solve for x
    x = 499,737,431,940.85/809,759.44
  6. Step 6: Final answer
    x = 617,143.08

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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.