Finding the Fourth Proportional to 748,047.94, 1,121,323.71 and 268,145.26
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Solution
The fourth proportional to 748,047.94, 1,121,323.71 and 268,145.26 is: 401,949.69
Step by Step Solution
- Step 1: Write the proportion equation
748,047.94 : 1,121,323.71 = 268,145.26 : x - Step 2: Convert to fraction form
748,047.94/1,121,323.71 = 268,145.26/x - Step 3: Cross multiply
748,047.94x = 1,121,323.71 × 268,145.26 - Step 4: Simplify right side
748,047.94x = 300,677,637,762.12 - Step 5: Solve for x
x = 300,677,637,762.12/748,047.94 - Step 6: Final answer
x = 401,949.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.