Home / 726,396.42-1,089,594.63-264,809.01

Finding the Fourth Proportional to 726,396.42, 1,089,594.63 and 264,809.01

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Solution

The fourth proportional to 726,396.42, 1,089,594.63 and 264,809.01 is: 397,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,396.42 : 1,089,594.63 = 264,809.01 : x
  2. Step 2: Convert to fraction form
    726,396.42/1,089,594.63 = 264,809.01/x
  3. Step 3: Cross multiply
    726,396.42x = 1,089,594.63 × 264,809.01
  4. Step 4: Simplify right side
    726,396.42x = 288,534,479,357.60
  5. Step 5: Solve for x
    x = 288,534,479,357.60/726,396.42
  6. Step 6: Final answer
    x = 397,213.52

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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.