Home / 756,355.90-1,043,757.21-412,194.60

Finding the Fourth Proportional to 756,355.90, 1,043,757.21 and 412,194.60

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Solution

The fourth proportional to 756,355.90, 1,043,757.21 and 412,194.60 is: 568,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,355.90 : 1,043,757.21 = 412,194.60 : x
  2. Step 2: Convert to fraction form
    756,355.90/1,043,757.21 = 412,194.60/x
  3. Step 3: Cross multiply
    756,355.90x = 1,043,757.21 × 412,194.60
  4. Step 4: Simplify right side
    756,355.90x = 430,231,085,673.07
  5. Step 5: Solve for x
    x = 430,231,085,673.07/756,355.90
  6. Step 6: Final answer
    x = 568,820.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.