Home / 654,322.63-981,484.17-205,078.36

Finding the Fourth Proportional to 654,322.63, 981,484.17 and 205,078.36

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Solution

The fourth proportional to 654,322.63, 981,484.17 and 205,078.36 is: 307,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,322.63 : 981,484.17 = 205,078.36 : x
  2. Step 2: Convert to fraction form
    654,322.63/981,484.17 = 205,078.36/x
  3. Step 3: Cross multiply
    654,322.63x = 981,484.17 × 205,078.36
  4. Step 4: Simplify right side
    654,322.63x = 201,281,163,949.56
  5. Step 5: Solve for x
    x = 201,281,163,949.56/654,322.63
  6. Step 6: Final answer
    x = 307,617.61

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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.