Home / 757,222.59-1,135,587.97-251,647.72

Finding the Fourth Proportional to 757,222.59, 1,135,587.97 and 251,647.72

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Solution

The fourth proportional to 757,222.59, 1,135,587.97 and 251,647.72 is: 377,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,222.59 : 1,135,587.97 = 251,647.72 : x
  2. Step 2: Convert to fraction form
    757,222.59/1,135,587.97 = 251,647.72/x
  3. Step 3: Cross multiply
    757,222.59x = 1,135,587.97 × 251,647.72
  4. Step 4: Simplify right side
    757,222.59x = 285,768,123,509.93
  5. Step 5: Solve for x
    x = 285,768,123,509.93/757,222.59
  6. Step 6: Final answer
    x = 377,389.86

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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.