Home / 695,761.20-1,042,259.40-379,652.40

Finding the Fourth Proportional to 695,761.20, 1,042,259.40 and 379,652.40

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Solution

The fourth proportional to 695,761.20, 1,042,259.40 and 379,652.40 is: 568,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,761.20 : 1,042,259.40 = 379,652.40 : x
  2. Step 2: Convert to fraction form
    695,761.20/1,042,259.40 = 379,652.40/x
  3. Step 3: Cross multiply
    695,761.20x = 1,042,259.40 × 379,652.40
  4. Step 4: Simplify right side
    695,761.20x = 395,696,282,632.56
  5. Step 5: Solve for x
    x = 395,696,282,632.56/695,761.20
  6. Step 6: Final answer
    x = 568,724.27

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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.