Home / 654,310.43-981,465.98-205,066.28

Finding the Fourth Proportional to 654,310.43, 981,465.98 and 205,066.28

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Solution

The fourth proportional to 654,310.43, 981,465.98 and 205,066.28 is: 307,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,310.43 : 981,465.98 = 205,066.28 : x
  2. Step 2: Convert to fraction form
    654,310.43/981,465.98 = 205,066.28/x
  3. Step 3: Cross multiply
    654,310.43x = 981,465.98 × 205,066.28
  4. Step 4: Simplify right side
    654,310.43x = 201,265,580,046.99
  5. Step 5: Solve for x
    x = 201,265,580,046.99/654,310.43
  6. Step 6: Final answer
    x = 307,599.53

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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.