Home / 756,343.44-1,043,754.13-412,179.47

Finding the Fourth Proportional to 756,343.44, 1,043,754.13 and 412,179.47

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Solution

The fourth proportional to 756,343.44, 1,043,754.13 and 412,179.47 is: 568,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,343.44 : 1,043,754.13 = 412,179.47 : x
  2. Step 2: Convert to fraction form
    756,343.44/1,043,754.13 = 412,179.47/x
  3. Step 3: Cross multiply
    756,343.44x = 1,043,754.13 × 412,179.47
  4. Step 4: Simplify right side
    756,343.44x = 430,214,017,864.49
  5. Step 5: Solve for x
    x = 430,214,017,864.49/756,343.44
  6. Step 6: Final answer
    x = 568,807.76

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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.