Finding the Fourth Proportional to 850,712.29, 1,174,065.69 and 635,478.68
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Solution
The fourth proportional to 850,712.29, 1,174,065.69 and 635,478.68 is: 877,022.38
Step by Step Solution
- Step 1: Write the proportion equation
850,712.29 : 1,174,065.69 = 635,478.68 : x - Step 2: Convert to fraction form
850,712.29/1,174,065.69 = 635,478.68/x - Step 3: Cross multiply
850,712.29x = 1,174,065.69 × 635,478.68 - Step 4: Simplify right side
850,712.29x = 746,093,716,658.13 - Step 5: Solve for x
x = 746,093,716,658.13/850,712.29 - Step 6: Final answer
x = 877,022.38
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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.