Home / 756,394.80-1,043,810.64-412,233.36

Finding the Fourth Proportional to 756,394.80, 1,043,810.64 and 412,233.36

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Solution

The fourth proportional to 756,394.80, 1,043,810.64 and 412,233.36 is: 568,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,394.80 : 1,043,810.64 = 412,233.36 : x
  2. Step 2: Convert to fraction form
    756,394.80/1,043,810.64 = 412,233.36/x
  3. Step 3: Cross multiply
    756,394.80x = 1,043,810.64 × 412,233.36
  4. Step 4: Simplify right side
    756,394.80x = 430,293,567,330.95
  5. Step 5: Solve for x
    x = 430,293,567,330.95/756,394.80
  6. Step 6: Final answer
    x = 568,874.31

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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.