Home / 695,989.56-1,043,990.50-275,265.48

Finding the Fourth Proportional to 695,989.56, 1,043,990.50 and 275,265.48

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Solution

The fourth proportional to 695,989.56, 1,043,990.50 and 275,265.48 is: 412,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,989.56 : 1,043,990.50 = 275,265.48 : x
  2. Step 2: Convert to fraction form
    695,989.56/1,043,990.50 = 275,265.48/x
  3. Step 3: Cross multiply
    695,989.56x = 1,043,990.50 × 275,265.48
  4. Step 4: Simplify right side
    695,989.56x = 287,374,546,097.94
  5. Step 5: Solve for x
    x = 287,374,546,097.94/695,989.56
  6. Step 6: Final answer
    x = 412,900.66

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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.