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Finding the Fourth Proportional to 662,773.69, 914,633.78 and 376,299.88

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Solution

The fourth proportional to 662,773.69, 914,633.78 and 376,299.88 is: 519,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,773.69 : 914,633.78 = 376,299.88 : x
  2. Step 2: Convert to fraction form
    662,773.69/914,633.78 = 376,299.88/x
  3. Step 3: Cross multiply
    662,773.69x = 914,633.78 × 376,299.88
  4. Step 4: Simplify right side
    662,773.69x = 344,176,577,489.86
  5. Step 5: Solve for x
    x = 344,176,577,489.86/662,773.69
  6. Step 6: Final answer
    x = 519,297.28

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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.