Home / 454,341.60-681,512.40-451,231.20

Finding the Fourth Proportional to 454,341.60, 681,512.40 and 451,231.20

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Solution

The fourth proportional to 454,341.60, 681,512.40 and 451,231.20 is: 676,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,341.60 : 681,512.40 = 451,231.20 : x
  2. Step 2: Convert to fraction form
    454,341.60/681,512.40 = 451,231.20/x
  3. Step 3: Cross multiply
    454,341.60x = 681,512.40 × 451,231.20
  4. Step 4: Simplify right side
    454,341.60x = 307,519,658,066.88
  5. Step 5: Solve for x
    x = 307,519,658,066.88/454,341.60
  6. Step 6: Final answer
    x = 676,846.80

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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.