Home / 726,627.60-1,089,163.80-327,200.40

Finding the Fourth Proportional to 726,627.60, 1,089,163.80 and 327,200.40

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Solution

The fourth proportional to 726,627.60, 1,089,163.80 and 327,200.40 is: 490,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,627.60 : 1,089,163.80 = 327,200.40 : x
  2. Step 2: Convert to fraction form
    726,627.60/1,089,163.80 = 327,200.40/x
  3. Step 3: Cross multiply
    726,627.60x = 1,089,163.80 × 327,200.40
  4. Step 4: Simplify right side
    726,627.60x = 356,374,831,025.52
  5. Step 5: Solve for x
    x = 356,374,831,025.52/726,627.60
  6. Step 6: Final answer
    x = 490,450.45

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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.