Finding the Fourth Proportional to 798,493.70, 1,101,855.11 and 454,238.03
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Solution
The fourth proportional to 798,493.70, 1,101,855.11 and 454,238.03 is: 626,810.82
Step by Step Solution
- Step 1: Write the proportion equation
798,493.70 : 1,101,855.11 = 454,238.03 : x - Step 2: Convert to fraction form
798,493.70/1,101,855.11 = 454,238.03/x - Step 3: Cross multiply
798,493.70x = 1,101,855.11 × 454,238.03 - Step 4: Simplify right side
798,493.70x = 500,504,494,995.28 - Step 5: Solve for x
x = 500,504,494,995.28/798,493.70 - Step 6: Final answer
x = 626,810.82
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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.