Home / 752,186.39-1,128,279.48-352,827.16

Finding the Fourth Proportional to 752,186.39, 1,128,279.48 and 352,827.16

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Solution

The fourth proportional to 752,186.39, 1,128,279.48 and 352,827.16 is: 529,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,186.39 : 1,128,279.48 = 352,827.16 : x
  2. Step 2: Convert to fraction form
    752,186.39/1,128,279.48 = 352,827.16/x
  3. Step 3: Cross multiply
    752,186.39x = 1,128,279.48 × 352,827.16
  4. Step 4: Simplify right side
    752,186.39x = 398,087,642,850.54
  5. Step 5: Solve for x
    x = 398,087,642,850.54/752,186.39
  6. Step 6: Final answer
    x = 529,240.69

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Double scale
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Similar ratio
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1.5x scale

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.