Home / 744,101.44-1,027,367.10-499,453.12

Finding the Fourth Proportional to 744,101.44, 1,027,367.10 and 499,453.12

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Solution

The fourth proportional to 744,101.44, 1,027,367.10 and 499,453.12 is: 689,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,101.44 : 1,027,367.10 = 499,453.12 : x
  2. Step 2: Convert to fraction form
    744,101.44/1,027,367.10 = 499,453.12/x
  3. Step 3: Cross multiply
    744,101.44x = 1,027,367.10 × 499,453.12
  4. Step 4: Simplify right side
    744,101.44x = 513,121,703,480.35
  5. Step 5: Solve for x
    x = 513,121,703,480.35/744,101.44
  6. Step 6: Final answer
    x = 689,585.69

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Double scale
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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.