Finding the Fourth Proportional to 731,405.43, 1,096,713.67 and 331,828.18
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Solution
The fourth proportional to 731,405.43, 1,096,713.67 and 331,828.18 is: 497,563.30
Step by Step Solution
- Step 1: Write the proportion equation
731,405.43 : 1,096,713.67 = 331,828.18 : x - Step 2: Convert to fraction form
731,405.43/1,096,713.67 = 331,828.18/x - Step 3: Cross multiply
731,405.43x = 1,096,713.67 × 331,828.18 - Step 4: Simplify right side
731,405.43x = 363,920,501,097.22 - Step 5: Solve for x
x = 363,920,501,097.22/731,405.43 - Step 6: Final answer
x = 497,563.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.