Home / 744,891.16-1,027,945.92-405,361.84

Finding the Fourth Proportional to 744,891.16, 1,027,945.92 and 405,361.84

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Solution

The fourth proportional to 744,891.16, 1,027,945.92 and 405,361.84 is: 559,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,891.16 : 1,027,945.92 = 405,361.84 : x
  2. Step 2: Convert to fraction form
    744,891.16/1,027,945.92 = 405,361.84/x
  3. Step 3: Cross multiply
    744,891.16x = 1,027,945.92 × 405,361.84
  4. Step 4: Simplify right side
    744,891.16x = 416,690,050,094.75
  5. Step 5: Solve for x
    x = 416,690,050,094.75/744,891.16
  6. Step 6: Final answer
    x = 559,397.23

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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.