Home / 757,311.32-1,135,957.94-217,580.88

Finding the Fourth Proportional to 757,311.32, 1,135,957.94 and 217,580.88

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Solution

The fourth proportional to 757,311.32, 1,135,957.94 and 217,580.88 is: 326,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,311.32 : 1,135,957.94 = 217,580.88 : x
  2. Step 2: Convert to fraction form
    757,311.32/1,135,957.94 = 217,580.88/x
  3. Step 3: Cross multiply
    757,311.32x = 1,135,957.94 × 217,580.88
  4. Step 4: Simplify right side
    757,311.32x = 247,162,732,216.05
  5. Step 5: Solve for x
    x = 247,162,732,216.05/757,311.32
  6. Step 6: Final answer
    x = 326,368.73

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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.