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Finding the Fourth Proportional to 565,933.64, 781,311.22 and 375,205.37

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Solution

The fourth proportional to 565,933.64, 781,311.22 and 375,205.37 is: 517,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,933.64 : 781,311.22 = 375,205.37 : x
  2. Step 2: Convert to fraction form
    565,933.64/781,311.22 = 375,205.37/x
  3. Step 3: Cross multiply
    565,933.64x = 781,311.22 × 375,205.37
  4. Step 4: Simplify right side
    565,933.64x = 293,152,160,540.68
  5. Step 5: Solve for x
    x = 293,152,160,540.68/565,933.64
  6. Step 6: Final answer
    x = 517,997.42

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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.