Home / 681,907.74-1,022,697.36-208,597.20

Finding the Fourth Proportional to 681,907.74, 1,022,697.36 and 208,597.20

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Solution

The fourth proportional to 681,907.74, 1,022,697.36 and 208,597.20 is: 312,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,907.74 : 1,022,697.36 = 208,597.20 : x
  2. Step 2: Convert to fraction form
    681,907.74/1,022,697.36 = 208,597.20/x
  3. Step 3: Cross multiply
    681,907.74x = 1,022,697.36 × 208,597.20
  4. Step 4: Simplify right side
    681,907.74x = 213,331,805,743.39
  5. Step 5: Solve for x
    x = 213,331,805,743.39/681,907.74
  6. Step 6: Final answer
    x = 312,845.56

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Double scale
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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.