Home / 678,624.87-1,017,936.63-173,185.86

Finding the Fourth Proportional to 678,624.87, 1,017,936.63 and 173,185.86

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Solution

The fourth proportional to 678,624.87, 1,017,936.63 and 173,185.86 is: 259,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,624.87 : 1,017,936.63 = 173,185.86 : x
  2. Step 2: Convert to fraction form
    678,624.87/1,017,936.63 = 173,185.86/x
  3. Step 3: Cross multiply
    678,624.87x = 1,017,936.63 × 173,185.86
  4. Step 4: Simplify right side
    678,624.87x = 176,292,230,692.05
  5. Step 5: Solve for x
    x = 176,292,230,692.05/678,624.87
  6. Step 6: Final answer
    x = 259,778.62

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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.