Home / 726,499.58-1,089,750.24-347,331.15

Finding the Fourth Proportional to 726,499.58, 1,089,750.24 and 347,331.15

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Solution

The fourth proportional to 726,499.58, 1,089,750.24 and 347,331.15 is: 520,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,499.58 : 1,089,750.24 = 347,331.15 : x
  2. Step 2: Convert to fraction form
    726,499.58/1,089,750.24 = 347,331.15/x
  3. Step 3: Cross multiply
    726,499.58x = 1,089,750.24 × 347,331.15
  4. Step 4: Simplify right side
    726,499.58x = 378,504,204,071.98
  5. Step 5: Solve for x
    x = 378,504,204,071.98/726,499.58
  6. Step 6: Final answer
    x = 520,997.14

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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.