Home / 746,759.20-1,027,578-675,220

Finding the Fourth Proportional to 746,759.20, 1,027,578 and 675,220

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Solution

The fourth proportional to 746,759.20, 1,027,578 and 675,220 is: 929,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,759.20 : 1,027,578 = 675,220 : x
  2. Step 2: Convert to fraction form
    746,759.20/1,027,578 = 675,220/x
  3. Step 3: Cross multiply
    746,759.20x = 1,027,578 × 675,220
  4. Step 4: Simplify right side
    746,759.20x = 693,841,217,160
  5. Step 5: Solve for x
    x = 693,841,217,160/746,759.20
  6. Step 6: Final answer
    x = 929,136.48

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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.