Home / 928,811.45-1,393,243.82-254,898.33

Finding the Fourth Proportional to 928,811.45, 1,393,243.82 and 254,898.33

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Solution

The fourth proportional to 928,811.45, 1,393,243.82 and 254,898.33 is: 382,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,811.45 : 1,393,243.82 = 254,898.33 : x
  2. Step 2: Convert to fraction form
    928,811.45/1,393,243.82 = 254,898.33/x
  3. Step 3: Cross multiply
    928,811.45x = 1,393,243.82 × 254,898.33
  4. Step 4: Simplify right side
    928,811.45x = 355,135,521,726.33
  5. Step 5: Solve for x
    x = 355,135,521,726.33/928,811.45
  6. Step 6: Final answer
    x = 382,354.81

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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.