Home / 531,895.12-733,942.57-305,540.56

Finding the Fourth Proportional to 531,895.12, 733,942.57 and 305,540.56

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Solution

The fourth proportional to 531,895.12, 733,942.57 and 305,540.56 is: 421,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,895.12 : 733,942.57 = 305,540.56 : x
  2. Step 2: Convert to fraction form
    531,895.12/733,942.57 = 305,540.56/x
  3. Step 3: Cross multiply
    531,895.12x = 733,942.57 × 305,540.56
  4. Step 4: Simplify right side
    531,895.12x = 224,249,218,648.22
  5. Step 5: Solve for x
    x = 224,249,218,648.22/531,895.12
  6. Step 6: Final answer
    x = 421,604.21

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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.