Home / 744,615-1,027,490.94-422,222.04

Finding the Fourth Proportional to 744,615, 1,027,490.94 and 422,222.04

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Solution

The fourth proportional to 744,615, 1,027,490.94 and 422,222.04 is: 582,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,615 : 1,027,490.94 = 422,222.04 : x
  2. Step 2: Convert to fraction form
    744,615/1,027,490.94 = 422,222.04/x
  3. Step 3: Cross multiply
    744,615x = 1,027,490.94 × 422,222.04
  4. Step 4: Simplify right side
    744,615x = 433,829,320,768.32
  5. Step 5: Solve for x
    x = 433,829,320,768.32/744,615
  6. Step 6: Final answer
    x = 582,622.32

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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.