Home / 419,795.56-579,327.06-228,818.44

Finding the Fourth Proportional to 419,795.56, 579,327.06 and 228,818.44

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Solution

The fourth proportional to 419,795.56, 579,327.06 and 228,818.44 is: 315,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,795.56 : 579,327.06 = 228,818.44 : x
  2. Step 2: Convert to fraction form
    419,795.56/579,327.06 = 228,818.44/x
  3. Step 3: Cross multiply
    419,795.56x = 579,327.06 × 228,818.44
  4. Step 4: Simplify right side
    419,795.56x = 132,560,714,118.99
  5. Step 5: Solve for x
    x = 132,560,714,118.99/419,795.56
  6. Step 6: Final answer
    x = 315,774.45

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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.