Home / 756,801.90-1,044,394.80-412,635

Finding the Fourth Proportional to 756,801.90, 1,044,394.80 and 412,635

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Solution

The fourth proportional to 756,801.90, 1,044,394.80 and 412,635 is: 569,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,801.90 : 1,044,394.80 = 412,635 : x
  2. Step 2: Convert to fraction form
    756,801.90/1,044,394.80 = 412,635/x
  3. Step 3: Cross multiply
    756,801.90x = 1,044,394.80 × 412,635
  4. Step 4: Simplify right side
    756,801.90x = 430,953,848,298
  5. Step 5: Solve for x
    x = 430,953,848,298/756,801.90
  6. Step 6: Final answer
    x = 569,440.76

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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.