Finding the Fourth Proportional to 738,965.68, 1,019,845.68 and 448,554.28
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Solution
The fourth proportional to 738,965.68, 1,019,845.68 and 448,554.28 is: 619,049.24
Step by Step Solution
- Step 1: Write the proportion equation
738,965.68 : 1,019,845.68 = 448,554.28 : x - Step 2: Convert to fraction form
738,965.68/1,019,845.68 = 448,554.28/x - Step 3: Cross multiply
738,965.68x = 1,019,845.68 × 448,554.28 - Step 4: Simplify right side
738,965.68x = 457,456,144,703.51 - Step 5: Solve for x
x = 457,456,144,703.51/738,965.68 - Step 6: Final answer
x = 619,049.24
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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.