Home / 744,855.80-1,027,817.46-438,912.32

Finding the Fourth Proportional to 744,855.80, 1,027,817.46 and 438,912.32

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Solution

The fourth proportional to 744,855.80, 1,027,817.46 and 438,912.32 is: 605,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,855.80 : 1,027,817.46 = 438,912.32 : x
  2. Step 2: Convert to fraction form
    744,855.80/1,027,817.46 = 438,912.32/x
  3. Step 3: Cross multiply
    744,855.80x = 1,027,817.46 × 438,912.32
  4. Step 4: Simplify right side
    744,855.80x = 451,121,745,905.11
  5. Step 5: Solve for x
    x = 451,121,745,905.11/744,855.80
  6. Step 6: Final answer
    x = 605,649.77

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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.