Finding the Fourth Proportional to 875,194.68, 1,207,751.94 and 493,213.80
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Solution
The fourth proportional to 875,194.68, 1,207,751.94 and 493,213.80 is: 680,625.62
Step by Step Solution
- Step 1: Write the proportion equation
875,194.68 : 1,207,751.94 = 493,213.80 : x - Step 2: Convert to fraction form
875,194.68/1,207,751.94 = 493,213.80/x - Step 3: Cross multiply
875,194.68x = 1,207,751.94 × 493,213.80 - Step 4: Simplify right side
875,194.68x = 595,679,923,784.77 - Step 5: Solve for x
x = 595,679,923,784.77/875,194.68 - Step 6: Final answer
x = 680,625.62
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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.