Home / 695,370.56-1,043,411.81-331,044.48

Finding the Fourth Proportional to 695,370.56, 1,043,411.81 and 331,044.48

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Solution

The fourth proportional to 695,370.56, 1,043,411.81 and 331,044.48 is: 496,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,370.56 : 1,043,411.81 = 331,044.48 : x
  2. Step 2: Convert to fraction form
    695,370.56/1,043,411.81 = 331,044.48/x
  3. Step 3: Cross multiply
    695,370.56x = 1,043,411.81 × 331,044.48
  4. Step 4: Simplify right side
    695,370.56x = 345,415,718,412.09
  5. Step 5: Solve for x
    x = 345,415,718,412.09/695,370.56
  6. Step 6: Final answer
    x = 496,736.19

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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.