Home / 809,020.80-1,213,531.20-726,352.20

Finding the Fourth Proportional to 809,020.80, 1,213,531.20 and 726,352.20

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Solution

The fourth proportional to 809,020.80, 1,213,531.20 and 726,352.20 is: 1,089,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,020.80 : 1,213,531.20 = 726,352.20 : x
  2. Step 2: Convert to fraction form
    809,020.80/1,213,531.20 = 726,352.20/x
  3. Step 3: Cross multiply
    809,020.80x = 1,213,531.20 × 726,352.20
  4. Step 4: Simplify right side
    809,020.80x = 881,451,056,888.64
  5. Step 5: Solve for x
    x = 881,451,056,888.64/809,020.80
  6. Step 6: Final answer
    x = 1,089,528.30

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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.