Finding the Fourth Proportional to 731,672.44, 1,009,682.19 and 404,986.09
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Solution
The fourth proportional to 731,672.44, 1,009,682.19 and 404,986.09 is: 558,866.54
Step by Step Solution
- Step 1: Write the proportion equation
731,672.44 : 1,009,682.19 = 404,986.09 : x - Step 2: Convert to fraction form
731,672.44/1,009,682.19 = 404,986.09/x - Step 3: Cross multiply
731,672.44x = 1,009,682.19 × 404,986.09 - Step 4: Simplify right side
731,672.44x = 408,907,242,270.74 - Step 5: Solve for x
x = 408,907,242,270.74/731,672.44 - Step 6: Final answer
x = 558,866.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.