Home / 756,342.88-1,043,753.35-412,178.90

Finding the Fourth Proportional to 756,342.88, 1,043,753.35 and 412,178.90

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Solution

The fourth proportional to 756,342.88, 1,043,753.35 and 412,178.90 is: 568,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,342.88 : 1,043,753.35 = 412,178.90 : x
  2. Step 2: Convert to fraction form
    756,342.88/1,043,753.35 = 412,178.90/x
  3. Step 3: Cross multiply
    756,342.88x = 1,043,753.35 × 412,178.90
  4. Step 4: Simplify right side
    756,342.88x = 430,213,109,253.25
  5. Step 5: Solve for x
    x = 430,213,109,253.25/756,342.88
  6. Step 6: Final answer
    x = 568,806.98

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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.