Home / 756,819.61-1,044,664.14-450,991.92

Finding the Fourth Proportional to 756,819.61, 1,044,664.14 and 450,991.92

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Solution

The fourth proportional to 756,819.61, 1,044,664.14 and 450,991.92 is: 622,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,819.61 : 1,044,664.14 = 450,991.92 : x
  2. Step 2: Convert to fraction form
    756,819.61/1,044,664.14 = 450,991.92/x
  3. Step 3: Cross multiply
    756,819.61x = 1,044,664.14 × 450,991.92
  4. Step 4: Simplify right side
    756,819.61x = 471,135,083,998.79
  5. Step 5: Solve for x
    x = 471,135,083,998.79/756,819.61
  6. Step 6: Final answer
    x = 622,519.66

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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.