Home / 796,821.20-1,099,613.20-439,125.20

Finding the Fourth Proportional to 796,821.20, 1,099,613.20 and 439,125.20

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Solution

The fourth proportional to 796,821.20, 1,099,613.20 and 439,125.20 is: 605,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,821.20 : 1,099,613.20 = 439,125.20 : x
  2. Step 2: Convert to fraction form
    796,821.20/1,099,613.20 = 439,125.20/x
  3. Step 3: Cross multiply
    796,821.20x = 1,099,613.20 × 439,125.20
  4. Step 4: Simplify right side
    796,821.20x = 482,867,866,372.64
  5. Step 5: Solve for x
    x = 482,867,866,372.64/796,821.20
  6. Step 6: Final answer
    x = 605,992.75

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1.5x scale

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.