Finding the Fourth Proportional to 758,138.13, 1,137,755.93 and 296,584.19
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Solution
The fourth proportional to 758,138.13, 1,137,755.93 and 296,584.19 is: 445,090.95
Step by Step Solution
- Step 1: Write the proportion equation
758,138.13 : 1,137,755.93 = 296,584.19 : x - Step 2: Convert to fraction form
758,138.13/1,137,755.93 = 296,584.19/x - Step 3: Cross multiply
758,138.13x = 1,137,755.93 × 296,584.19 - Step 4: Simplify right side
758,138.13x = 337,440,420,916.75 - Step 5: Solve for x
x = 337,440,420,916.75/758,138.13 - Step 6: Final answer
x = 445,090.95
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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.