Home / 726,144.21-1,089,373.01-220,745.88

Finding the Fourth Proportional to 726,144.21, 1,089,373.01 and 220,745.88

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Solution

The fourth proportional to 726,144.21, 1,089,373.01 and 220,745.88 is: 331,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,144.21 : 1,089,373.01 = 220,745.88 : x
  2. Step 2: Convert to fraction form
    726,144.21/1,089,373.01 = 220,745.88/x
  3. Step 3: Cross multiply
    726,144.21x = 1,089,373.01 × 220,745.88
  4. Step 4: Simplify right side
    726,144.21x = 240,474,602,636.97
  5. Step 5: Solve for x
    x = 240,474,602,636.97/726,144.21
  6. Step 6: Final answer
    x = 331,166.45

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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.