Home / 951,515.37-1,313,109.26-521,769.87

Finding the Fourth Proportional to 951,515.37, 1,313,109.26 and 521,769.87

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Solution

The fourth proportional to 951,515.37, 1,313,109.26 and 521,769.87 is: 720,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,515.37 : 1,313,109.26 = 521,769.87 : x
  2. Step 2: Convert to fraction form
    951,515.37/1,313,109.26 = 521,769.87/x
  3. Step 3: Cross multiply
    951,515.37x = 1,313,109.26 × 521,769.87
  4. Step 4: Simplify right side
    951,515.37x = 685,140,845,277.15
  5. Step 5: Solve for x
    x = 685,140,845,277.15/951,515.37
  6. Step 6: Final answer
    x = 720,052.32

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1.5x scale

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.