Home / 695,619.64-1,043,518.56-215,879.32

Finding the Fourth Proportional to 695,619.64, 1,043,518.56 and 215,879.32

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Solution

The fourth proportional to 695,619.64, 1,043,518.56 and 215,879.32 is: 323,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,619.64 : 1,043,518.56 = 215,879.32 : x
  2. Step 2: Convert to fraction form
    695,619.64/1,043,518.56 = 215,879.32/x
  3. Step 3: Cross multiply
    695,619.64x = 1,043,518.56 × 215,879.32
  4. Step 4: Simplify right side
    695,619.64x = 225,274,077,140.18
  5. Step 5: Solve for x
    x = 225,274,077,140.18/695,619.64
  6. Step 6: Final answer
    x = 323,846.63

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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.