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Finding the Fourth Proportional to 618,996.32, 854,249.96 and 347,151

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Solution

The fourth proportional to 618,996.32, 854,249.96 and 347,151 is: 479,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,996.32 : 854,249.96 = 347,151 : x
  2. Step 2: Convert to fraction form
    618,996.32/854,249.96 = 347,151/x
  3. Step 3: Cross multiply
    618,996.32x = 854,249.96 × 347,151
  4. Step 4: Simplify right side
    618,996.32x = 296,553,727,863.96
  5. Step 5: Solve for x
    x = 296,553,727,863.96/618,996.32
  6. Step 6: Final answer
    x = 479,088.03

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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.