Home / 655,344.09-981,756.73-401,885.49

Finding the Fourth Proportional to 655,344.09, 981,756.73 and 401,885.49

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Solution

The fourth proportional to 655,344.09, 981,756.73 and 401,885.49 is: 602,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,344.09 : 981,756.73 = 401,885.49 : x
  2. Step 2: Convert to fraction form
    655,344.09/981,756.73 = 401,885.49/x
  3. Step 3: Cross multiply
    655,344.09x = 981,756.73 × 401,885.49
  4. Step 4: Simplify right side
    655,344.09x = 394,553,784,496.85
  5. Step 5: Solve for x
    x = 394,553,784,496.85/655,344.09
  6. Step 6: Final answer
    x = 602,055.91

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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.