Home / 813,342.60-1,122,415.56-450,772.56

Finding the Fourth Proportional to 813,342.60, 1,122,415.56 and 450,772.56

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Solution

The fourth proportional to 813,342.60, 1,122,415.56 and 450,772.56 is: 622,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,342.60 : 1,122,415.56 = 450,772.56 : x
  2. Step 2: Convert to fraction form
    813,342.60/1,122,415.56 = 450,772.56/x
  3. Step 3: Cross multiply
    813,342.60x = 1,122,415.56 × 450,772.56
  4. Step 4: Simplify right side
    813,342.60x = 505,954,135,365.03
  5. Step 5: Solve for x
    x = 505,954,135,365.03/813,342.60
  6. Step 6: Final answer
    x = 622,067.67

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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.