Home / 744,900.69-1,028,073.63-438,879.26

Finding the Fourth Proportional to 744,900.69, 1,028,073.63 and 438,879.26

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Solution

The fourth proportional to 744,900.69, 1,028,073.63 and 438,879.26 is: 605,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,900.69 : 1,028,073.63 = 438,879.26 : x
  2. Step 2: Convert to fraction form
    744,900.69/1,028,073.63 = 438,879.26/x
  3. Step 3: Cross multiply
    744,900.69x = 1,028,073.63 × 438,879.26
  4. Step 4: Simplify right side
    744,900.69x = 451,200,188,819.55
  5. Step 5: Solve for x
    x = 451,200,188,819.55/744,900.69
  6. Step 6: Final answer
    x = 605,718.58

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1.5x scale

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.