Home / 699,631.20-1,049,965.20-513,007.20

Finding the Fourth Proportional to 699,631.20, 1,049,965.20 and 513,007.20

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Solution

The fourth proportional to 699,631.20, 1,049,965.20 and 513,007.20 is: 769,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,631.20 : 1,049,965.20 = 513,007.20 : x
  2. Step 2: Convert to fraction form
    699,631.20/1,049,965.20 = 513,007.20/x
  3. Step 3: Cross multiply
    699,631.20x = 1,049,965.20 × 513,007.20
  4. Step 4: Simplify right side
    699,631.20x = 538,639,707,349.44
  5. Step 5: Solve for x
    x = 538,639,707,349.44/699,631.20
  6. Step 6: Final answer
    x = 769,890.92

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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.