Finding the Fourth Proportional to 543,448.63, 749,960.94 and 301,731.94
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Solution
The fourth proportional to 543,448.63, 749,960.94 and 301,731.94 is: 416,391.09
Step by Step Solution
- Step 1: Write the proportion equation
543,448.63 : 749,960.94 = 301,731.94 : x - Step 2: Convert to fraction form
543,448.63/749,960.94 = 301,731.94/x - Step 3: Cross multiply
543,448.63x = 749,960.94 × 301,731.94 - Step 4: Simplify right side
543,448.63x = 226,287,169,350.42 - Step 5: Solve for x
x = 226,287,169,350.42/543,448.63 - Step 6: Final answer
x = 416,391.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.