Finding the Fourth Proportional to 913,967.93, 1,371,232.16 and 408,953.99
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Solution
The fourth proportional to 913,967.93, 1,371,232.16 and 408,953.99 is: 613,556.39
Step by Step Solution
- Step 1: Write the proportion equation
913,967.93 : 1,371,232.16 = 408,953.99 : x - Step 2: Convert to fraction form
913,967.93/1,371,232.16 = 408,953.99/x - Step 3: Cross multiply
913,967.93x = 1,371,232.16 × 408,953.99 - Step 4: Simplify right side
913,967.93x = 560,770,863,048.32 - Step 5: Solve for x
x = 560,770,863,048.32/913,967.93 - Step 6: Final answer
x = 613,556.39
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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.