Finding the Fourth Proportional to 590,344.09, 885,628.38 and 408,740.73
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Solution
The fourth proportional to 590,344.09, 885,628.38 and 408,740.73 is: 613,188.82
Step by Step Solution
- Step 1: Write the proportion equation
590,344.09 : 885,628.38 = 408,740.73 : x - Step 2: Convert to fraction form
590,344.09/885,628.38 = 408,740.73/x - Step 3: Cross multiply
590,344.09x = 885,628.38 × 408,740.73 - Step 4: Simplify right side
590,344.09x = 361,992,393,743.25 - Step 5: Solve for x
x = 361,992,393,743.25/590,344.09 - Step 6: Final answer
x = 613,188.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.