Home / 492,942.58-739,406.21-252,917.98

Finding the Fourth Proportional to 492,942.58, 739,406.21 and 252,917.98

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Solution

The fourth proportional to 492,942.58, 739,406.21 and 252,917.98 is: 379,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,942.58 : 739,406.21 = 252,917.98 : x
  2. Step 2: Convert to fraction form
    492,942.58/739,406.21 = 252,917.98/x
  3. Step 3: Cross multiply
    492,942.58x = 739,406.21 × 252,917.98
  4. Step 4: Simplify right side
    492,942.58x = 187,009,121,919.55
  5. Step 5: Solve for x
    x = 187,009,121,919.55/492,942.58
  6. Step 6: Final answer
    x = 379,373.04

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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.