Home / 749,208.75-1,123,814.21-305,976.75

Finding the Fourth Proportional to 749,208.75, 1,123,814.21 and 305,976.75

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Solution

The fourth proportional to 749,208.75, 1,123,814.21 and 305,976.75 is: 458,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,208.75 : 1,123,814.21 = 305,976.75 : x
  2. Step 2: Convert to fraction form
    749,208.75/1,123,814.21 = 305,976.75/x
  3. Step 3: Cross multiply
    749,208.75x = 1,123,814.21 × 305,976.75
  4. Step 4: Simplify right side
    749,208.75x = 343,861,018,049.73
  5. Step 5: Solve for x
    x = 343,861,018,049.73/749,208.75
  6. Step 6: Final answer
    x = 458,965.57

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1.5x scale

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.