Home / 951,695.70-1,313,388.18-522,015.81

Finding the Fourth Proportional to 951,695.70, 1,313,388.18 and 522,015.81

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Solution

The fourth proportional to 951,695.70, 1,313,388.18 and 522,015.81 is: 720,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,695.70 : 1,313,388.18 = 522,015.81 : x
  2. Step 2: Convert to fraction form
    951,695.70/1,313,388.18 = 522,015.81/x
  3. Step 3: Cross multiply
    951,695.70x = 1,313,388.18 × 522,015.81
  4. Step 4: Simplify right side
    951,695.70x = 685,609,394,627.13
  5. Step 5: Solve for x
    x = 685,609,394,627.13/951,695.70
  6. Step 6: Final answer
    x = 720,408.21

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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.