Home / 756,100.53-1,133,273.25-306,261.96

Finding the Fourth Proportional to 756,100.53, 1,133,273.25 and 306,261.96

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Solution

The fourth proportional to 756,100.53, 1,133,273.25 and 306,261.96 is: 459,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,100.53 : 1,133,273.25 = 306,261.96 : x
  2. Step 2: Convert to fraction form
    756,100.53/1,133,273.25 = 306,261.96/x
  3. Step 3: Cross multiply
    756,100.53x = 1,133,273.25 × 306,261.96
  4. Step 4: Simplify right side
    756,100.53x = 347,078,486,760.57
  5. Step 5: Solve for x
    x = 347,078,486,760.57/756,100.53
  6. Step 6: Final answer
    x = 459,037.49

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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.