Home / 699,634.20-1,049,969.70-513,010.20

Finding the Fourth Proportional to 699,634.20, 1,049,969.70 and 513,010.20

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Solution

The fourth proportional to 699,634.20, 1,049,969.70 and 513,010.20 is: 769,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,634.20 : 1,049,969.70 = 513,010.20 : x
  2. Step 2: Convert to fraction form
    699,634.20/1,049,969.70 = 513,010.20/x
  3. Step 3: Cross multiply
    699,634.20x = 1,049,969.70 × 513,010.20
  4. Step 4: Simplify right side
    699,634.20x = 538,645,165,790.94
  5. Step 5: Solve for x
    x = 538,645,165,790.94/699,634.20
  6. Step 6: Final answer
    x = 769,895.42

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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.