Home / 726,144.96-1,089,334.08-305,541.12

Finding the Fourth Proportional to 726,144.96, 1,089,334.08 and 305,541.12

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Solution

The fourth proportional to 726,144.96, 1,089,334.08 and 305,541.12 is: 458,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,144.96 : 1,089,334.08 = 305,541.12 : x
  2. Step 2: Convert to fraction form
    726,144.96/1,089,334.08 = 305,541.12/x
  3. Step 3: Cross multiply
    726,144.96x = 1,089,334.08 × 305,541.12
  4. Step 4: Simplify right side
    726,144.96x = 332,836,354,857.37
  5. Step 5: Solve for x
    x = 332,836,354,857.37/726,144.96
  6. Step 6: Final answer
    x = 458,360.76

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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.