Home / 531,910.74-733,964.05-305,556.18

Finding the Fourth Proportional to 531,910.74, 733,964.05 and 305,556.18

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Solution

The fourth proportional to 531,910.74, 733,964.05 and 305,556.18 is: 421,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,910.74 : 733,964.05 = 305,556.18 : x
  2. Step 2: Convert to fraction form
    531,910.74/733,964.05 = 305,556.18/x
  3. Step 3: Cross multiply
    531,910.74x = 733,964.05 × 305,556.18
  4. Step 4: Simplify right side
    531,910.74x = 224,267,251,375.33
  5. Step 5: Solve for x
    x = 224,267,251,375.33/531,910.74
  6. Step 6: Final answer
    x = 421,625.72

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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.