Finding the Fourth Proportional to 626,906.55, 865,268.82 and 412,066.62
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Solution
The fourth proportional to 626,906.55, 865,268.82 and 412,066.62 is: 568,742.50
Step by Step Solution
- Step 1: Write the proportion equation
626,906.55 : 865,268.82 = 412,066.62 : x - Step 2: Convert to fraction form
626,906.55/865,268.82 = 412,066.62/x - Step 3: Cross multiply
626,906.55x = 865,268.82 × 412,066.62 - Step 4: Simplify right side
626,906.55x = 356,548,398,048.79 - Step 5: Solve for x
x = 356,548,398,048.79/626,906.55 - Step 6: Final answer
x = 568,742.50
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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.