Finding the Fourth Proportional to 629,888.81, 869,255.96 and 343,413.68
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Solution
The fourth proportional to 629,888.81, 869,255.96 and 343,413.68 is: 473,916.00
Step by Step Solution
- Step 1: Write the proportion equation
629,888.81 : 869,255.96 = 343,413.68 : x - Step 2: Convert to fraction form
629,888.81/869,255.96 = 343,413.68/x - Step 3: Cross multiply
629,888.81x = 869,255.96 × 343,413.68 - Step 4: Simplify right side
629,888.81x = 298,514,382,022.19 - Step 5: Solve for x
x = 298,514,382,022.19/629,888.81 - Step 6: Final answer
x = 473,916.00
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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.