Home / 789,706.05-1,089,793.20-445,541.50

Finding the Fourth Proportional to 789,706.05, 1,089,793.20 and 445,541.50

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Solution

The fourth proportional to 789,706.05, 1,089,793.20 and 445,541.50 is: 614,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,706.05 : 1,089,793.20 = 445,541.50 : x
  2. Step 2: Convert to fraction form
    789,706.05/1,089,793.20 = 445,541.50/x
  3. Step 3: Cross multiply
    789,706.05x = 1,089,793.20 × 445,541.50
  4. Step 4: Simplify right side
    789,706.05x = 485,548,097,017.80
  5. Step 5: Solve for x
    x = 485,548,097,017.80/789,706.05
  6. Step 6: Final answer
    x = 614,846.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.