Finding the Fourth Proportional to 707,755.12, 1,059,138.42 and 441,640.96
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Solution
The fourth proportional to 707,755.12, 1,059,138.42 and 441,640.96 is: 660,905.02
Step by Step Solution
- Step 1: Write the proportion equation
707,755.12 : 1,059,138.42 = 441,640.96 : x - Step 2: Convert to fraction form
707,755.12/1,059,138.42 = 441,640.96/x - Step 3: Cross multiply
707,755.12x = 1,059,138.42 × 441,640.96 - Step 4: Simplify right side
707,755.12x = 467,758,908,581.68 - Step 5: Solve for x
x = 467,758,908,581.68/707,755.12 - Step 6: Final answer
x = 660,905.02
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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.