Home / 427,819.49-590,790.96-275,122.85

Finding the Fourth Proportional to 427,819.49, 590,790.96 and 275,122.85

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Solution

The fourth proportional to 427,819.49, 590,790.96 and 275,122.85 is: 379,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,819.49 : 590,790.96 = 275,122.85 : x
  2. Step 2: Convert to fraction form
    427,819.49/590,790.96 = 275,122.85/x
  3. Step 3: Cross multiply
    427,819.49x = 590,790.96 × 275,122.85
  4. Step 4: Simplify right side
    427,819.49x = 162,540,092,669.44
  5. Step 5: Solve for x
    x = 162,540,092,669.44/427,819.49
  6. Step 6: Final answer
    x = 379,926.81

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1.5x scale

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.