Finding the Fourth Proportional to 850,748.41, 1,174,115.55 and 635,514.81
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Solution
The fourth proportional to 850,748.41, 1,174,115.55 and 635,514.81 is: 877,072.25
Step by Step Solution
- Step 1: Write the proportion equation
850,748.41 : 1,174,115.55 = 635,514.81 : x - Step 2: Convert to fraction form
850,748.41/1,174,115.55 = 635,514.81/x - Step 3: Cross multiply
850,748.41x = 1,174,115.55 × 635,514.81 - Step 4: Simplify right side
850,748.41x = 746,167,820,676.30 - Step 5: Solve for x
x = 746,167,820,676.30/850,748.41 - Step 6: Final answer
x = 877,072.25
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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.