Home / 754,895.08-1,131,992.70-281,453.32

Finding the Fourth Proportional to 754,895.08, 1,131,992.70 and 281,453.32

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Solution

The fourth proportional to 754,895.08, 1,131,992.70 and 281,453.32 is: 422,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,895.08 : 1,131,992.70 = 281,453.32 : x
  2. Step 2: Convert to fraction form
    754,895.08/1,131,992.70 = 281,453.32/x
  3. Step 3: Cross multiply
    754,895.08x = 1,131,992.70 × 281,453.32
  4. Step 4: Simplify right side
    754,895.08x = 318,603,103,630.76
  5. Step 5: Solve for x
    x = 318,603,103,630.76/754,895.08
  6. Step 6: Final answer
    x = 422,049.52

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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.