Home / 744,047.92-1,115,415.24-270,650.44

Finding the Fourth Proportional to 744,047.92, 1,115,415.24 and 270,650.44

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Solution

The fourth proportional to 744,047.92, 1,115,415.24 and 270,650.44 is: 405,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,047.92 : 1,115,415.24 = 270,650.44 : x
  2. Step 2: Convert to fraction form
    744,047.92/1,115,415.24 = 270,650.44/x
  3. Step 3: Cross multiply
    744,047.92x = 1,115,415.24 × 270,650.44
  4. Step 4: Simplify right side
    744,047.92x = 301,887,625,488.71
  5. Step 5: Solve for x
    x = 301,887,625,488.71/744,047.92
  6. Step 6: Final answer
    x = 405,736.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.