Home / 789,825.45-1,089,957.88-427,248.19

Finding the Fourth Proportional to 789,825.45, 1,089,957.88 and 427,248.19

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Solution

The fourth proportional to 789,825.45, 1,089,957.88 and 427,248.19 is: 589,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,825.45 : 1,089,957.88 = 427,248.19 : x
  2. Step 2: Convert to fraction form
    789,825.45/1,089,957.88 = 427,248.19/x
  3. Step 3: Cross multiply
    789,825.45x = 1,089,957.88 × 427,248.19
  4. Step 4: Simplify right side
    789,825.45x = 465,682,533,302.75
  5. Step 5: Solve for x
    x = 465,682,533,302.75/789,825.45
  6. Step 6: Final answer
    x = 589,601.83

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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.