Finding the Fourth Proportional to 731,449.26, 1,097,609.94 and 326,610.18
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Solution
The fourth proportional to 731,449.26, 1,097,609.94 and 326,610.18 is: 490,109.98
Step by Step Solution
- Step 1: Write the proportion equation
731,449.26 : 1,097,609.94 = 326,610.18 : x - Step 2: Convert to fraction form
731,449.26/1,097,609.94 = 326,610.18/x - Step 3: Cross multiply
731,449.26x = 1,097,609.94 × 326,610.18 - Step 4: Simplify right side
731,449.26x = 358,490,580,073.19 - Step 5: Solve for x
x = 358,490,580,073.19/731,449.26 - Step 6: Final answer
x = 490,109.98
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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.