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Finding the Fourth Proportional to 695,282, 959,489.20 and 377,330

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Solution

The fourth proportional to 695,282, 959,489.20 and 377,330 is: 520,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,282 : 959,489.20 = 377,330 : x
  2. Step 2: Convert to fraction form
    695,282/959,489.20 = 377,330/x
  3. Step 3: Cross multiply
    695,282x = 959,489.20 × 377,330
  4. Step 4: Simplify right side
    695,282x = 362,044,059,836
  5. Step 5: Solve for x
    x = 362,044,059,836/695,282
  6. Step 6: Final answer
    x = 520,715.42

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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.