Home / 726,414.60-1,089,621.90-227,777.80

Finding the Fourth Proportional to 726,414.60, 1,089,621.90 and 227,777.80

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Solution

The fourth proportional to 726,414.60, 1,089,621.90 and 227,777.80 is: 341,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,414.60 : 1,089,621.90 = 227,777.80 : x
  2. Step 2: Convert to fraction form
    726,414.60/1,089,621.90 = 227,777.80/x
  3. Step 3: Cross multiply
    726,414.60x = 1,089,621.90 × 227,777.80
  4. Step 4: Simplify right side
    726,414.60x = 248,191,679,213.82
  5. Step 5: Solve for x
    x = 248,191,679,213.82/726,414.60
  6. Step 6: Final answer
    x = 341,666.70

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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.