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Finding the Fourth Proportional to 695,208, 959,387.04 and 377,256

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Solution

The fourth proportional to 695,208, 959,387.04 and 377,256 is: 520,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,208 : 959,387.04 = 377,256 : x
  2. Step 2: Convert to fraction form
    695,208/959,387.04 = 377,256/x
  3. Step 3: Cross multiply
    695,208x = 959,387.04 × 377,256
  4. Step 4: Simplify right side
    695,208x = 361,934,517,162.24
  5. Step 5: Solve for x
    x = 361,934,517,162.24/695,208
  6. Step 6: Final answer
    x = 520,613.28

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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.