Home / 764,147.32-1,054,657.74-441,806.20

Finding the Fourth Proportional to 764,147.32, 1,054,657.74 and 441,806.20

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Solution

The fourth proportional to 764,147.32, 1,054,657.74 and 441,806.20 is: 609,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,147.32 : 1,054,657.74 = 441,806.20 : x
  2. Step 2: Convert to fraction form
    764,147.32/1,054,657.74 = 441,806.20/x
  3. Step 3: Cross multiply
    764,147.32x = 1,054,657.74 × 441,806.20
  4. Step 4: Simplify right side
    764,147.32x = 465,954,328,409.99
  5. Step 5: Solve for x
    x = 465,954,328,409.99/764,147.32
  6. Step 6: Final answer
    x = 609,770.28

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Double scale
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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.