Home / 695,618.64-1,043,517.06-215,878.32

Finding the Fourth Proportional to 695,618.64, 1,043,517.06 and 215,878.32

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Solution

The fourth proportional to 695,618.64, 1,043,517.06 and 215,878.32 is: 323,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,618.64 : 1,043,517.06 = 215,878.32 : x
  2. Step 2: Convert to fraction form
    695,618.64/1,043,517.06 = 215,878.32/x
  3. Step 3: Cross multiply
    695,618.64x = 1,043,517.06 × 215,878.32
  4. Step 4: Simplify right side
    695,618.64x = 225,272,709,804.14
  5. Step 5: Solve for x
    x = 225,272,709,804.14/695,618.64
  6. Step 6: Final answer
    x = 323,845.13

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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.