Home / 753,167.89-1,129,760.97-220,699.72

Finding the Fourth Proportional to 753,167.89, 1,129,760.97 and 220,699.72

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Solution

The fourth proportional to 753,167.89, 1,129,760.97 and 220,699.72 is: 331,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,167.89 : 1,129,760.97 = 220,699.72 : x
  2. Step 2: Convert to fraction form
    753,167.89/1,129,760.97 = 220,699.72/x
  3. Step 3: Cross multiply
    753,167.89x = 1,129,760.97 × 220,699.72
  4. Step 4: Simplify right side
    753,167.89x = 249,337,929,745.93
  5. Step 5: Solve for x
    x = 249,337,929,745.93/753,167.89
  6. Step 6: Final answer
    x = 331,052.26

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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.