Home / 695,415.50-1,043,273.09-215,633.64

Finding the Fourth Proportional to 695,415.50, 1,043,273.09 and 215,633.64

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Solution

The fourth proportional to 695,415.50, 1,043,273.09 and 215,633.64 is: 323,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,415.50 : 1,043,273.09 = 215,633.64 : x
  2. Step 2: Convert to fraction form
    695,415.50/1,043,273.09 = 215,633.64/x
  3. Step 3: Cross multiply
    695,415.50x = 1,043,273.09 × 215,633.64
  4. Step 4: Simplify right side
    695,415.50x = 224,964,772,832.58
  5. Step 5: Solve for x
    x = 224,964,772,832.58/695,415.50
  6. Step 6: Final answer
    x = 323,496.92

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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.