Home / 447,452.20-670,910.57-303,534.87

Finding the Fourth Proportional to 447,452.20, 670,910.57 and 303,534.87

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Solution

The fourth proportional to 447,452.20, 670,910.57 and 303,534.87 is: 455,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,452.20 : 670,910.57 = 303,534.87 : x
  2. Step 2: Convert to fraction form
    447,452.20/670,910.57 = 303,534.87/x
  3. Step 3: Cross multiply
    447,452.20x = 670,910.57 × 303,534.87
  4. Step 4: Simplify right side
    447,452.20x = 203,644,752,646.58
  5. Step 5: Solve for x
    x = 203,644,752,646.58/447,452.20
  6. Step 6: Final answer
    x = 455,120.69

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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.