Home / 769,406.82-1,061,748.37-425,224.96

Finding the Fourth Proportional to 769,406.82, 1,061,748.37 and 425,224.96

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Solution

The fourth proportional to 769,406.82, 1,061,748.37 and 425,224.96 is: 586,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,406.82 : 1,061,748.37 = 425,224.96 : x
  2. Step 2: Convert to fraction form
    769,406.82/1,061,748.37 = 425,224.96/x
  3. Step 3: Cross multiply
    769,406.82x = 1,061,748.37 × 425,224.96
  4. Step 4: Simplify right side
    769,406.82x = 451,481,908,163.32
  5. Step 5: Solve for x
    x = 451,481,908,163.32/769,406.82
  6. Step 6: Final answer
    x = 586,792.18

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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.