Home / 703,279.20-1,054,227.60-628,629.60

Finding the Fourth Proportional to 703,279.20, 1,054,227.60 and 628,629.60

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Solution

The fourth proportional to 703,279.20, 1,054,227.60 and 628,629.60 is: 942,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,279.20 : 1,054,227.60 = 628,629.60 : x
  2. Step 2: Convert to fraction form
    703,279.20/1,054,227.60 = 628,629.60/x
  3. Step 3: Cross multiply
    703,279.20x = 1,054,227.60 × 628,629.60
  4. Step 4: Simplify right side
    703,279.20x = 662,718,674,496.96
  5. Step 5: Solve for x
    x = 662,718,674,496.96/703,279.20
  6. Step 6: Final answer
    x = 942,326.57

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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.