Home / 681,597.45-1,022,396.18-208,278.71

Finding the Fourth Proportional to 681,597.45, 1,022,396.18 and 208,278.71

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Solution

The fourth proportional to 681,597.45, 1,022,396.18 and 208,278.71 is: 312,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,597.45 : 1,022,396.18 = 208,278.71 : x
  2. Step 2: Convert to fraction form
    681,597.45/1,022,396.18 = 208,278.71/x
  3. Step 3: Cross multiply
    681,597.45x = 1,022,396.18 × 208,278.71
  4. Step 4: Simplify right side
    681,597.45x = 212,943,355,159.94
  5. Step 5: Solve for x
    x = 212,943,355,159.94/681,597.45
  6. Step 6: Final answer
    x = 312,418.06

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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.