Finding the Fourth Proportional to 753,855.68, 1,039,974.02 and 463,203.38
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Solution
The fourth proportional to 753,855.68, 1,039,974.02 and 463,203.38 is: 639,007.56
Step by Step Solution
- Step 1: Write the proportion equation
753,855.68 : 1,039,974.02 = 463,203.38 : x - Step 2: Convert to fraction form
753,855.68/1,039,974.02 = 463,203.38/x - Step 3: Cross multiply
753,855.68x = 1,039,974.02 × 463,203.38 - Step 4: Simplify right side
753,855.68x = 481,719,481,176.19 - Step 5: Solve for x
x = 481,719,481,176.19/753,855.68 - Step 6: Final answer
x = 639,007.56
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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.