Home / 744,361.68-1,027,220.22-404,829.12

Finding the Fourth Proportional to 744,361.68, 1,027,220.22 and 404,829.12

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Solution

The fourth proportional to 744,361.68, 1,027,220.22 and 404,829.12 is: 558,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,361.68 : 1,027,220.22 = 404,829.12 : x
  2. Step 2: Convert to fraction form
    744,361.68/1,027,220.22 = 404,829.12/x
  3. Step 3: Cross multiply
    744,361.68x = 1,027,220.22 × 404,829.12
  4. Step 4: Simplify right side
    744,361.68x = 415,848,657,708.81
  5. Step 5: Solve for x
    x = 415,848,657,708.81/744,361.68
  6. Step 6: Final answer
    x = 558,664.78

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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.