Home / 789,954.25-1,090,144.77-427,385.92

Finding the Fourth Proportional to 789,954.25, 1,090,144.77 and 427,385.92

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Solution

The fourth proportional to 789,954.25, 1,090,144.77 and 427,385.92 is: 589,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,954.25 : 1,090,144.77 = 427,385.92 : x
  2. Step 2: Convert to fraction form
    789,954.25/1,090,144.77 = 427,385.92/x
  3. Step 3: Cross multiply
    789,954.25x = 1,090,144.77 × 427,385.92
  4. Step 4: Simplify right side
    789,954.25x = 465,912,525,459.64
  5. Step 5: Solve for x
    x = 465,912,525,459.64/789,954.25
  6. Step 6: Final answer
    x = 589,796.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.