Home / 789,652.58-1,089,717.42-427,076.84

Finding the Fourth Proportional to 789,652.58, 1,089,717.42 and 427,076.84

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Solution

The fourth proportional to 789,652.58, 1,089,717.42 and 427,076.84 is: 589,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,652.58 : 1,089,717.42 = 427,076.84 : x
  2. Step 2: Convert to fraction form
    789,652.58/1,089,717.42 = 427,076.84/x
  3. Step 3: Cross multiply
    789,652.58x = 1,089,717.42 × 427,076.84
  4. Step 4: Simplify right side
    789,652.58x = 465,393,072,226.55
  5. Step 5: Solve for x
    x = 465,393,072,226.55/789,652.58
  6. Step 6: Final answer
    x = 589,364.34

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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.