Home / 726,395.86-1,089,593.79-264,808.45

Finding the Fourth Proportional to 726,395.86, 1,089,593.79 and 264,808.45

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Solution

The fourth proportional to 726,395.86, 1,089,593.79 and 264,808.45 is: 397,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,395.86 : 1,089,593.79 = 264,808.45 : x
  2. Step 2: Convert to fraction form
    726,395.86/1,089,593.79 = 264,808.45/x
  3. Step 3: Cross multiply
    726,395.86x = 1,089,593.79 × 264,808.45
  4. Step 4: Simplify right side
    726,395.86x = 288,533,643,028.49
  5. Step 5: Solve for x
    x = 288,533,643,028.49/726,395.86
  6. Step 6: Final answer
    x = 397,212.67

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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.