Home / 699,400.20-1,049,100.30-256,110.60

Finding the Fourth Proportional to 699,400.20, 1,049,100.30 and 256,110.60

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Solution

The fourth proportional to 699,400.20, 1,049,100.30 and 256,110.60 is: 384,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,400.20 : 1,049,100.30 = 256,110.60 : x
  2. Step 2: Convert to fraction form
    699,400.20/1,049,100.30 = 256,110.60/x
  3. Step 3: Cross multiply
    699,400.20x = 1,049,100.30 × 256,110.60
  4. Step 4: Simplify right side
    699,400.20x = 268,685,707,293.18
  5. Step 5: Solve for x
    x = 268,685,707,293.18/699,400.20
  6. Step 6: Final answer
    x = 384,165.90

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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.