Home / 827,427.72-1,241,212.83-228,388.98

Finding the Fourth Proportional to 827,427.72, 1,241,212.83 and 228,388.98

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Solution

The fourth proportional to 827,427.72, 1,241,212.83 and 228,388.98 is: 342,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,427.72 : 1,241,212.83 = 228,388.98 : x
  2. Step 2: Convert to fraction form
    827,427.72/1,241,212.83 = 228,388.98/x
  3. Step 3: Cross multiply
    827,427.72x = 1,241,212.83 × 228,388.98
  4. Step 4: Simplify right side
    827,427.72x = 283,479,332,206.61
  5. Step 5: Solve for x
    x = 283,479,332,206.61/827,427.72
  6. Step 6: Final answer
    x = 342,603.14

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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.