Home / 841,279.14-1,259,906.97-485,213.67

Finding the Fourth Proportional to 841,279.14, 1,259,906.97 and 485,213.67

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Solution

The fourth proportional to 841,279.14, 1,259,906.97 and 485,213.67 is: 726,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,279.14 : 1,259,906.97 = 485,213.67 : x
  2. Step 2: Convert to fraction form
    841,279.14/1,259,906.97 = 485,213.67/x
  3. Step 3: Cross multiply
    841,279.14x = 1,259,906.97 × 485,213.67
  4. Step 4: Simplify right side
    841,279.14x = 611,324,084,772.28
  5. Step 5: Solve for x
    x = 611,324,084,772.28/841,279.14
  6. Step 6: Final answer
    x = 726,660.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.