Home / 654,407.64-981,582.91-205,118.26

Finding the Fourth Proportional to 654,407.64, 981,582.91 and 205,118.26

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Solution

The fourth proportional to 654,407.64, 981,582.91 and 205,118.26 is: 307,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,407.64 : 981,582.91 = 205,118.26 : x
  2. Step 2: Convert to fraction form
    654,407.64/981,582.91 = 205,118.26/x
  3. Step 3: Cross multiply
    654,407.64x = 981,582.91 × 205,118.26
  4. Step 4: Simplify right side
    654,407.64x = 201,340,575,578.18
  5. Step 5: Solve for x
    x = 201,340,575,578.18/654,407.64
  6. Step 6: Final answer
    x = 307,668.44

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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.