Home / 419,962.80-629,944.20-301,864.80

Finding the Fourth Proportional to 419,962.80, 629,944.20 and 301,864.80

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Solution

The fourth proportional to 419,962.80, 629,944.20 and 301,864.80 is: 452,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,962.80 : 629,944.20 = 301,864.80 : x
  2. Step 2: Convert to fraction form
    419,962.80/629,944.20 = 301,864.80/x
  3. Step 3: Cross multiply
    419,962.80x = 629,944.20 × 301,864.80
  4. Step 4: Simplify right side
    419,962.80x = 190,157,979,944.16
  5. Step 5: Solve for x
    x = 190,157,979,944.16/419,962.80
  6. Step 6: Final answer
    x = 452,797.20

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Similar ratio
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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.