Home / 756,832.64-1,135,336.80-251,438.72

Finding the Fourth Proportional to 756,832.64, 1,135,336.80 and 251,438.72

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Solution

The fourth proportional to 756,832.64, 1,135,336.80 and 251,438.72 is: 377,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,832.64 : 1,135,336.80 = 251,438.72 : x
  2. Step 2: Convert to fraction form
    756,832.64/1,135,336.80 = 251,438.72/x
  3. Step 3: Cross multiply
    756,832.64x = 1,135,336.80 × 251,438.72
  4. Step 4: Simplify right side
    756,832.64x = 285,467,631,760.90
  5. Step 5: Solve for x
    x = 285,467,631,760.90/756,832.64
  6. Step 6: Final answer
    x = 377,187.26

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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.