Home / 726,504.40-1,089,367.80-305,304.40

Finding the Fourth Proportional to 726,504.40, 1,089,367.80 and 305,304.40

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Solution

The fourth proportional to 726,504.40, 1,089,367.80 and 305,304.40 is: 457,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,504.40 : 1,089,367.80 = 305,304.40 : x
  2. Step 2: Convert to fraction form
    726,504.40/1,089,367.80 = 305,304.40/x
  3. Step 3: Cross multiply
    726,504.40x = 1,089,367.80 × 305,304.40
  4. Step 4: Simplify right side
    726,504.40x = 332,588,782,558.32
  5. Step 5: Solve for x
    x = 332,588,782,558.32/726,504.40
  6. Step 6: Final answer
    x = 457,793.21

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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.