Home / 821,679.60-1,232,634.60-322,927.60

Finding the Fourth Proportional to 821,679.60, 1,232,634.60 and 322,927.60

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Solution

The fourth proportional to 821,679.60, 1,232,634.60 and 322,927.60 is: 484,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,679.60 : 1,232,634.60 = 322,927.60 : x
  2. Step 2: Convert to fraction form
    821,679.60/1,232,634.60 = 322,927.60/x
  3. Step 3: Cross multiply
    821,679.60x = 1,232,634.60 × 322,927.60
  4. Step 4: Simplify right side
    821,679.60x = 398,051,733,054.96
  5. Step 5: Solve for x
    x = 398,051,733,054.96/821,679.60
  6. Step 6: Final answer
    x = 484,436.67

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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.