Home / 744,100.44-1,027,365.72-499,452.12

Finding the Fourth Proportional to 744,100.44, 1,027,365.72 and 499,452.12

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Solution

The fourth proportional to 744,100.44, 1,027,365.72 and 499,452.12 is: 689,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,100.44 : 1,027,365.72 = 499,452.12 : x
  2. Step 2: Convert to fraction form
    744,100.44/1,027,365.72 = 499,452.12/x
  3. Step 3: Cross multiply
    744,100.44x = 1,027,365.72 × 499,452.12
  4. Step 4: Simplify right side
    744,100.44x = 513,119,986,869.33
  5. Step 5: Solve for x
    x = 513,119,986,869.33/744,100.44
  6. Step 6: Final answer
    x = 689,584.31

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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.