Home / 454,500.20-681,750.30-384,516.20

Finding the Fourth Proportional to 454,500.20, 681,750.30 and 384,516.20

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Solution

The fourth proportional to 454,500.20, 681,750.30 and 384,516.20 is: 576,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,500.20 : 681,750.30 = 384,516.20 : x
  2. Step 2: Convert to fraction form
    454,500.20/681,750.30 = 384,516.20/x
  3. Step 3: Cross multiply
    454,500.20x = 681,750.30 × 384,516.20
  4. Step 4: Simplify right side
    454,500.20x = 262,144,034,704.86
  5. Step 5: Solve for x
    x = 262,144,034,704.86/454,500.20
  6. Step 6: Final answer
    x = 576,774.30

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Double scale
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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.