Home / 503,679.20-755,548.25-143,822.30

Finding the Fourth Proportional to 503,679.20, 755,548.25 and 143,822.30

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Solution

The fourth proportional to 503,679.20, 755,548.25 and 143,822.30 is: 215,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,679.20 : 755,548.25 = 143,822.30 : x
  2. Step 2: Convert to fraction form
    503,679.20/755,548.25 = 143,822.30/x
  3. Step 3: Cross multiply
    503,679.20x = 755,548.25 × 143,822.30
  4. Step 4: Simplify right side
    503,679.20x = 108,664,682,579.12
  5. Step 5: Solve for x
    x = 108,664,682,579.12/503,679.20
  6. Step 6: Final answer
    x = 215,741.85

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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.