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Finding the Fourth Proportional to 549,906.10, 824,859.15 and 360,949.30

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Solution

The fourth proportional to 549,906.10, 824,859.15 and 360,949.30 is: 541,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,906.10 : 824,859.15 = 360,949.30 : x
  2. Step 2: Convert to fraction form
    549,906.10/824,859.15 = 360,949.30/x
  3. Step 3: Cross multiply
    549,906.10x = 824,859.15 × 360,949.30
  4. Step 4: Simplify right side
    549,906.10x = 297,732,332,791.10
  5. Step 5: Solve for x
    x = 297,732,332,791.10/549,906.10
  6. Step 6: Final answer
    x = 541,423.95

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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.