Home / 914,761.86-1,372,145.81-231,648.34

Finding the Fourth Proportional to 914,761.86, 1,372,145.81 and 231,648.34

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Solution

The fourth proportional to 914,761.86, 1,372,145.81 and 231,648.34 is: 347,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,761.86 : 1,372,145.81 = 231,648.34 : x
  2. Step 2: Convert to fraction form
    914,761.86/1,372,145.81 = 231,648.34/x
  3. Step 3: Cross multiply
    914,761.86x = 1,372,145.81 × 231,648.34
  4. Step 4: Simplify right side
    914,761.86x = 317,855,297,108.62
  5. Step 5: Solve for x
    x = 317,855,297,108.62/914,761.86
  6. Step 6: Final answer
    x = 347,473.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.