Home / 726,563.46-1,089,846.09-347,395.05

Finding the Fourth Proportional to 726,563.46, 1,089,846.09 and 347,395.05

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Solution

The fourth proportional to 726,563.46, 1,089,846.09 and 347,395.05 is: 521,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,563.46 : 1,089,846.09 = 347,395.05 : x
  2. Step 2: Convert to fraction form
    726,563.46/1,089,846.09 = 347,395.05/x
  3. Step 3: Cross multiply
    726,563.46x = 1,089,846.09 × 347,395.05
  4. Step 4: Simplify right side
    726,563.46x = 378,607,136,927.86
  5. Step 5: Solve for x
    x = 378,607,136,927.86/726,563.46
  6. Step 6: Final answer
    x = 521,093.01

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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.