Home / 654,420.08-981,630.41-205,175.97

Finding the Fourth Proportional to 654,420.08, 981,630.41 and 205,175.97

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Solution

The fourth proportional to 654,420.08, 981,630.41 and 205,175.97 is: 307,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,420.08 : 981,630.41 = 205,175.97 : x
  2. Step 2: Convert to fraction form
    654,420.08/981,630.41 = 205,175.97/x
  3. Step 3: Cross multiply
    654,420.08x = 981,630.41 × 205,175.97
  4. Step 4: Simplify right side
    654,420.08x = 201,406,973,137.34
  5. Step 5: Solve for x
    x = 201,406,973,137.34/654,420.08
  6. Step 6: Final answer
    x = 307,764.05

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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.