Home / 454,911.20-682,366.80-277,764.20

Finding the Fourth Proportional to 454,911.20, 682,366.80 and 277,764.20

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Solution

The fourth proportional to 454,911.20, 682,366.80 and 277,764.20 is: 416,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,911.20 : 682,366.80 = 277,764.20 : x
  2. Step 2: Convert to fraction form
    454,911.20/682,366.80 = 277,764.20/x
  3. Step 3: Cross multiply
    454,911.20x = 682,366.80 × 277,764.20
  4. Step 4: Simplify right side
    454,911.20x = 189,537,068,308.56
  5. Step 5: Solve for x
    x = 189,537,068,308.56/454,911.20
  6. Step 6: Final answer
    x = 416,646.30

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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.