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Finding the Fourth Proportional to 695,207, 959,385.66 and 377,255

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Solution

The fourth proportional to 695,207, 959,385.66 and 377,255 is: 520,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,207 : 959,385.66 = 377,255 : x
  2. Step 2: Convert to fraction form
    695,207/959,385.66 = 377,255/x
  3. Step 3: Cross multiply
    695,207x = 959,385.66 × 377,255
  4. Step 4: Simplify right side
    695,207x = 361,933,037,163.30
  5. Step 5: Solve for x
    x = 361,933,037,163.30/695,207
  6. Step 6: Final answer
    x = 520,611.90

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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.