Finding the Fourth Proportional to 751,409.24, 1,036,957.30 and 407,256.18
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Solution
The fourth proportional to 751,409.24, 1,036,957.30 and 407,256.18 is: 562,020.33
Step by Step Solution
- Step 1: Write the proportion equation
751,409.24 : 1,036,957.30 = 407,256.18 : x - Step 2: Convert to fraction form
751,409.24/1,036,957.30 = 407,256.18/x - Step 3: Cross multiply
751,409.24x = 1,036,957.30 × 407,256.18 - Step 4: Simplify right side
751,409.24x = 422,307,268,821.11 - Step 5: Solve for x
x = 422,307,268,821.11/751,409.24 - Step 6: Final answer
x = 562,020.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.