Home / 815,958.50-1,126,028.13-510,213.85

Finding the Fourth Proportional to 815,958.50, 1,126,028.13 and 510,213.85

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Solution

The fourth proportional to 815,958.50, 1,126,028.13 and 510,213.85 is: 704,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,958.50 : 1,126,028.13 = 510,213.85 : x
  2. Step 2: Convert to fraction form
    815,958.50/1,126,028.13 = 510,213.85/x
  3. Step 3: Cross multiply
    815,958.50x = 1,126,028.13 × 510,213.85
  4. Step 4: Simplify right side
    815,958.50x = 574,515,152,484.84
  5. Step 5: Solve for x
    x = 574,515,152,484.84/815,958.50
  6. Step 6: Final answer
    x = 704,098.49

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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.