Home / 803,198.42-1,205,165.37-347,928.86

Finding the Fourth Proportional to 803,198.42, 1,205,165.37 and 347,928.86

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Solution

The fourth proportional to 803,198.42, 1,205,165.37 and 347,928.86 is: 522,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,198.42 : 1,205,165.37 = 347,928.86 : x
  2. Step 2: Convert to fraction form
    803,198.42/1,205,165.37 = 347,928.86/x
  3. Step 3: Cross multiply
    803,198.42x = 1,205,165.37 × 347,928.86
  4. Step 4: Simplify right side
    803,198.42x = 419,311,813,295.58
  5. Step 5: Solve for x
    x = 419,311,813,295.58/803,198.42
  6. Step 6: Final answer
    x = 522,052.59

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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.