Home / 752,136.83-1,037,943.68-407,971.37

Finding the Fourth Proportional to 752,136.83, 1,037,943.68 and 407,971.37

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Solution

The fourth proportional to 752,136.83, 1,037,943.68 and 407,971.37 is: 562,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,136.83 : 1,037,943.68 = 407,971.37 : x
  2. Step 2: Convert to fraction form
    752,136.83/1,037,943.68 = 407,971.37/x
  3. Step 3: Cross multiply
    752,136.83x = 1,037,943.68 × 407,971.37
  4. Step 4: Simplify right side
    752,136.83x = 423,451,305,112.44
  5. Step 5: Solve for x
    x = 423,451,305,112.44/752,136.83
  6. Step 6: Final answer
    x = 562,997.70

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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.