Home / 789,080.70-1,182,843.45-389,783.10

Finding the Fourth Proportional to 789,080.70, 1,182,843.45 and 389,783.10

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Solution

The fourth proportional to 789,080.70, 1,182,843.45 and 389,783.10 is: 584,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,080.70 : 1,182,843.45 = 389,783.10 : x
  2. Step 2: Convert to fraction form
    789,080.70/1,182,843.45 = 389,783.10/x
  3. Step 3: Cross multiply
    789,080.70x = 1,182,843.45 × 389,783.10
  4. Step 4: Simplify right side
    789,080.70x = 461,052,386,755.70
  5. Step 5: Solve for x
    x = 461,052,386,755.70/789,080.70
  6. Step 6: Final answer
    x = 584,290.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.