Home / 789,827.46-1,089,960.64-427,250.20

Finding the Fourth Proportional to 789,827.46, 1,089,960.64 and 427,250.20

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Solution

The fourth proportional to 789,827.46, 1,089,960.64 and 427,250.20 is: 589,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,827.46 : 1,089,960.64 = 427,250.20 : x
  2. Step 2: Convert to fraction form
    789,827.46/1,089,960.64 = 427,250.20/x
  3. Step 3: Cross multiply
    789,827.46x = 1,089,960.64 × 427,250.20
  4. Step 4: Simplify right side
    789,827.46x = 465,685,901,432.13
  5. Step 5: Solve for x
    x = 465,685,901,432.13/789,827.46
  6. Step 6: Final answer
    x = 589,604.60

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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.