Home / 744,720.06-1,027,713.69-405,190.74

Finding the Fourth Proportional to 744,720.06, 1,027,713.69 and 405,190.74

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Solution

The fourth proportional to 744,720.06, 1,027,713.69 and 405,190.74 is: 559,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,720.06 : 1,027,713.69 = 405,190.74 : x
  2. Step 2: Convert to fraction form
    744,720.06/1,027,713.69 = 405,190.74/x
  3. Step 3: Cross multiply
    744,720.06x = 1,027,713.69 × 405,190.74
  4. Step 4: Simplify right side
    744,720.06x = 416,420,070,559.23
  5. Step 5: Solve for x
    x = 416,420,070,559.23/744,720.06
  6. Step 6: Final answer
    x = 559,163.23

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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.