Home / 951,618.96-1,313,271.96-521,914.56

Finding the Fourth Proportional to 951,618.96, 1,313,271.96 and 521,914.56

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Solution

The fourth proportional to 951,618.96, 1,313,271.96 and 521,914.56 is: 720,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,618.96 : 1,313,271.96 = 521,914.56 : x
  2. Step 2: Convert to fraction form
    951,618.96/1,313,271.96 = 521,914.56/x
  3. Step 3: Cross multiply
    951,618.96x = 1,313,271.96 × 521,914.56
  4. Step 4: Simplify right side
    951,618.96x = 685,415,757,163.74
  5. Step 5: Solve for x
    x = 685,415,757,163.74/951,618.96
  6. Step 6: Final answer
    x = 720,262.82

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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.