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Finding the Fourth Proportional to 647,020.14, 892,891.34 and 375,249.17

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Solution

The fourth proportional to 647,020.14, 892,891.34 and 375,249.17 is: 517,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,020.14 : 892,891.34 = 375,249.17 : x
  2. Step 2: Convert to fraction form
    647,020.14/892,891.34 = 375,249.17/x
  3. Step 3: Cross multiply
    647,020.14x = 892,891.34 × 375,249.17
  4. Step 4: Simplify right side
    647,020.14x = 335,056,727,894.49
  5. Step 5: Solve for x
    x = 335,056,727,894.49/647,020.14
  6. Step 6: Final answer
    x = 517,845.90

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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.