Home / 789,828.46-1,089,962.02-427,251.20

Finding the Fourth Proportional to 789,828.46, 1,089,962.02 and 427,251.20

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Solution

The fourth proportional to 789,828.46, 1,089,962.02 and 427,251.20 is: 589,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,828.46 : 1,089,962.02 = 427,251.20 : x
  2. Step 2: Convert to fraction form
    789,828.46/1,089,962.02 = 427,251.20/x
  3. Step 3: Cross multiply
    789,828.46x = 1,089,962.02 × 427,251.20
  4. Step 4: Simplify right side
    789,828.46x = 465,687,580,999.42
  5. Step 5: Solve for x
    x = 465,687,580,999.42/789,828.46
  6. Step 6: Final answer
    x = 589,605.98

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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.