Home / 726,245.20-1,089,367.80-656,261.20

Finding the Fourth Proportional to 726,245.20, 1,089,367.80 and 656,261.20

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Solution

The fourth proportional to 726,245.20, 1,089,367.80 and 656,261.20 is: 984,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,245.20 : 1,089,367.80 = 656,261.20 : x
  2. Step 2: Convert to fraction form
    726,245.20/1,089,367.80 = 656,261.20/x
  3. Step 3: Cross multiply
    726,245.20x = 1,089,367.80 × 656,261.20
  4. Step 4: Simplify right side
    726,245.20x = 714,909,819,669.36
  5. Step 5: Solve for x
    x = 714,909,819,669.36/726,245.20
  6. Step 6: Final answer
    x = 984,391.80

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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.