Home / 558,249.82-770,558.20-443,731.66

Finding the Fourth Proportional to 558,249.82, 770,558.20 and 443,731.66

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Solution

The fourth proportional to 558,249.82, 770,558.20 and 443,731.66 is: 612,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,249.82 : 770,558.20 = 443,731.66 : x
  2. Step 2: Convert to fraction form
    558,249.82/770,558.20 = 443,731.66/x
  3. Step 3: Cross multiply
    558,249.82x = 770,558.20 × 443,731.66
  4. Step 4: Simplify right side
    558,249.82x = 341,921,066,176.89
  5. Step 5: Solve for x
    x = 341,921,066,176.89/558,249.82
  6. Step 6: Final answer
    x = 612,487.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.