Home / 754,368.72-1,131,519.06-221,907.12

Finding the Fourth Proportional to 754,368.72, 1,131,519.06 and 221,907.12

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Solution

The fourth proportional to 754,368.72, 1,131,519.06 and 221,907.12 is: 332,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,368.72 : 1,131,519.06 = 221,907.12 : x
  2. Step 2: Convert to fraction form
    754,368.72/1,131,519.06 = 221,907.12/x
  3. Step 3: Cross multiply
    754,368.72x = 1,131,519.06 × 221,907.12
  4. Step 4: Simplify right side
    754,368.72x = 251,092,135,829.71
  5. Step 5: Solve for x
    x = 251,092,135,829.71/754,368.72
  6. Step 6: Final answer
    x = 332,850.67

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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.