Home / 1,089,266.80-1,633,900.20-331,106.80

Finding the Fourth Proportional to 1,089,266.80, 1,633,900.20 and 331,106.80

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Solution

The fourth proportional to 1,089,266.80, 1,633,900.20 and 331,106.80 is: 496,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,266.80 : 1,633,900.20 = 331,106.80 : x
  2. Step 2: Convert to fraction form
    1,089,266.80/1,633,900.20 = 331,106.80/x
  3. Step 3: Cross multiply
    1,089,266.80x = 1,633,900.20 × 331,106.80
  4. Step 4: Simplify right side
    1,089,266.80x = 540,995,466,741.36
  5. Step 5: Solve for x
    x = 540,995,466,741.36/1,089,266.80
  6. Step 6: Final answer
    x = 496,660.20

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Double scale
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Similar ratio
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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.