Home / 695,972.20-1,043,958.30-518,825.20

Finding the Fourth Proportional to 695,972.20, 1,043,958.30 and 518,825.20

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Solution

The fourth proportional to 695,972.20, 1,043,958.30 and 518,825.20 is: 778,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,972.20 : 1,043,958.30 = 518,825.20 : x
  2. Step 2: Convert to fraction form
    695,972.20/1,043,958.30 = 518,825.20/x
  3. Step 3: Cross multiply
    695,972.20x = 1,043,958.30 × 518,825.20
  4. Step 4: Simplify right side
    695,972.20x = 541,631,873,789.16
  5. Step 5: Solve for x
    x = 541,631,873,789.16/695,972.20
  6. Step 6: Final answer
    x = 778,237.80

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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.