Home / 789,867.48-1,090,013.85-427,290.48

Finding the Fourth Proportional to 789,867.48, 1,090,013.85 and 427,290.48

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Solution

The fourth proportional to 789,867.48, 1,090,013.85 and 427,290.48 is: 589,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,867.48 : 1,090,013.85 = 427,290.48 : x
  2. Step 2: Convert to fraction form
    789,867.48/1,090,013.85 = 427,290.48/x
  3. Step 3: Cross multiply
    789,867.48x = 1,090,013.85 × 427,290.48
  4. Step 4: Simplify right side
    789,867.48x = 465,752,541,173.15
  5. Step 5: Solve for x
    x = 465,752,541,173.15/789,867.48
  6. Step 6: Final answer
    x = 589,659.09

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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.