Finding the Fourth Proportional to 745,782.26, 1,029,174.26 and 406,250.52
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Solution
The fourth proportional to 745,782.26, 1,029,174.26 and 406,250.52 is: 560,622.85
Step by Step Solution
- Step 1: Write the proportion equation
745,782.26 : 1,029,174.26 = 406,250.52 : x - Step 2: Convert to fraction form
745,782.26/1,029,174.26 = 406,250.52/x - Step 3: Cross multiply
745,782.26x = 1,029,174.26 × 406,250.52 - Step 4: Simplify right side
745,782.26x = 418,102,578,295.62 - Step 5: Solve for x
x = 418,102,578,295.62/745,782.26 - Step 6: Final answer
x = 560,622.85
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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.