Home / 576,136.20-863,469.90-323,416.20

Finding the Fourth Proportional to 576,136.20, 863,469.90 and 323,416.20

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Solution

The fourth proportional to 576,136.20, 863,469.90 and 323,416.20 is: 484,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,136.20 : 863,469.90 = 323,416.20 : x
  2. Step 2: Convert to fraction form
    576,136.20/863,469.90 = 323,416.20/x
  3. Step 3: Cross multiply
    576,136.20x = 863,469.90 × 323,416.20
  4. Step 4: Simplify right side
    576,136.20x = 279,260,153,872.38
  5. Step 5: Solve for x
    x = 279,260,153,872.38/576,136.20
  6. Step 6: Final answer
    x = 484,712.04

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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.