Home / 827,682.45-1,241,015.58-321,652.58

Finding the Fourth Proportional to 827,682.45, 1,241,015.58 and 321,652.58

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Solution

The fourth proportional to 827,682.45, 1,241,015.58 and 321,652.58 is: 482,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,682.45 : 1,241,015.58 = 321,652.58 : x
  2. Step 2: Convert to fraction form
    827,682.45/1,241,015.58 = 321,652.58/x
  3. Step 3: Cross multiply
    827,682.45x = 1,241,015.58 × 321,652.58
  4. Step 4: Simplify right side
    827,682.45x = 399,175,856,922.12
  5. Step 5: Solve for x
    x = 399,175,856,922.12/827,682.45
  6. Step 6: Final answer
    x = 482,281.41

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1.5x scale

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.