Home / 744,725.85-1,027,690.97-405,195.45

Finding the Fourth Proportional to 744,725.85, 1,027,690.97 and 405,195.45

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Solution

The fourth proportional to 744,725.85, 1,027,690.97 and 405,195.45 is: 559,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,725.85 : 1,027,690.97 = 405,195.45 : x
  2. Step 2: Convert to fraction form
    744,725.85/1,027,690.97 = 405,195.45/x
  3. Step 3: Cross multiply
    744,725.85x = 1,027,690.97 × 405,195.45
  4. Step 4: Simplify right side
    744,725.85x = 416,415,705,050.09
  5. Step 5: Solve for x
    x = 416,415,705,050.09/744,725.85
  6. Step 6: Final answer
    x = 559,153.02

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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.