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Finding the Fourth Proportional to 576,662.32, 795,755.64 and 321,963.76

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Solution

The fourth proportional to 576,662.32, 795,755.64 and 321,963.76 is: 444,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,662.32 : 795,755.64 = 321,963.76 : x
  2. Step 2: Convert to fraction form
    576,662.32/795,755.64 = 321,963.76/x
  3. Step 3: Cross multiply
    576,662.32x = 795,755.64 × 321,963.76
  4. Step 4: Simplify right side
    576,662.32x = 256,204,477,895.61
  5. Step 5: Solve for x
    x = 256,204,477,895.61/576,662.32
  6. Step 6: Final answer
    x = 444,288.57

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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.