Home / 654,385.50-981,590.58-205,096.44

Finding the Fourth Proportional to 654,385.50, 981,590.58 and 205,096.44

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Solution

The fourth proportional to 654,385.50, 981,590.58 and 205,096.44 is: 307,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,385.50 : 981,590.58 = 205,096.44 : x
  2. Step 2: Convert to fraction form
    654,385.50/981,590.58 = 205,096.44/x
  3. Step 3: Cross multiply
    654,385.50x = 981,590.58 × 205,096.44
  4. Step 4: Simplify right side
    654,385.50x = 201,320,733,495.54
  5. Step 5: Solve for x
    x = 201,320,733,495.54/654,385.50
  6. Step 6: Final answer
    x = 307,648.52

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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.