Home / 671,288.50-1,006,935.45-271,936.81

Finding the Fourth Proportional to 671,288.50, 1,006,935.45 and 271,936.81

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Solution

The fourth proportional to 671,288.50, 1,006,935.45 and 271,936.81 is: 407,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,288.50 : 1,006,935.45 = 271,936.81 : x
  2. Step 2: Convert to fraction form
    671,288.50/1,006,935.45 = 271,936.81/x
  3. Step 3: Cross multiply
    671,288.50x = 1,006,935.45 × 271,936.81
  4. Step 4: Simplify right side
    671,288.50x = 273,822,814,148.92
  5. Step 5: Solve for x
    x = 273,822,814,148.92/671,288.50
  6. Step 6: Final answer
    x = 407,906.31

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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.