Home / 789,599.12-1,089,650.09-427,022.96

Finding the Fourth Proportional to 789,599.12, 1,089,650.09 and 427,022.96

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Solution

The fourth proportional to 789,599.12, 1,089,650.09 and 427,022.96 is: 589,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,599.12 : 1,089,650.09 = 427,022.96 : x
  2. Step 2: Convert to fraction form
    789,599.12/1,089,650.09 = 427,022.96/x
  3. Step 3: Cross multiply
    789,599.12x = 1,089,650.09 × 427,022.96
  4. Step 4: Simplify right side
    789,599.12x = 465,305,602,415.37
  5. Step 5: Solve for x
    x = 465,305,602,415.37/789,599.12
  6. Step 6: Final answer
    x = 589,293.47

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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.