Home / 654,317.12-981,475.91-205,072.85

Finding the Fourth Proportional to 654,317.12, 981,475.91 and 205,072.85

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Solution

The fourth proportional to 654,317.12, 981,475.91 and 205,072.85 is: 307,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,317.12 : 981,475.91 = 205,072.85 : x
  2. Step 2: Convert to fraction form
    654,317.12/981,475.91 = 205,072.85/x
  3. Step 3: Cross multiply
    654,317.12x = 981,475.91 × 205,072.85
  4. Step 4: Simplify right side
    654,317.12x = 201,274,061,740.39
  5. Step 5: Solve for x
    x = 201,274,061,740.39/654,317.12
  6. Step 6: Final answer
    x = 307,609.34

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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.