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Finding the Fourth Proportional to 566,324.45, 781,414.45 and 324,682.82

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Solution

The fourth proportional to 566,324.45, 781,414.45 and 324,682.82 is: 447,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,324.45 : 781,414.45 = 324,682.82 : x
  2. Step 2: Convert to fraction form
    566,324.45/781,414.45 = 324,682.82/x
  3. Step 3: Cross multiply
    566,324.45x = 781,414.45 × 324,682.82
  4. Step 4: Simplify right side
    566,324.45x = 253,711,847,214.75
  5. Step 5: Solve for x
    x = 253,711,847,214.75/566,324.45
  6. Step 6: Final answer
    x = 447,997.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.