Home / 756,305.82-1,043,688.65-412,144.79

Finding the Fourth Proportional to 756,305.82, 1,043,688.65 and 412,144.79

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Solution

The fourth proportional to 756,305.82, 1,043,688.65 and 412,144.79 is: 568,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,305.82 : 1,043,688.65 = 412,144.79 : x
  2. Step 2: Convert to fraction form
    756,305.82/1,043,688.65 = 412,144.79/x
  3. Step 3: Cross multiply
    756,305.82x = 1,043,688.65 × 412,144.79
  4. Step 4: Simplify right side
    756,305.82x = 430,150,832,200.47
  5. Step 5: Solve for x
    x = 430,150,832,200.47/756,305.82
  6. Step 6: Final answer
    x = 568,752.51

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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.