Home / 796,821.50-1,099,613.70-439,125.50

Finding the Fourth Proportional to 796,821.50, 1,099,613.70 and 439,125.50

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Solution

The fourth proportional to 796,821.50, 1,099,613.70 and 439,125.50 is: 605,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,821.50 : 1,099,613.70 = 439,125.50 : x
  2. Step 2: Convert to fraction form
    796,821.50/1,099,613.70 = 439,125.50/x
  3. Step 3: Cross multiply
    796,821.50x = 1,099,613.70 × 439,125.50
  4. Step 4: Simplify right side
    796,821.50x = 482,868,415,819.35
  5. Step 5: Solve for x
    x = 482,868,415,819.35/796,821.50
  6. Step 6: Final answer
    x = 605,993.21

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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.