Finding the Fourth Proportional to 591,478.61, 816,245.64 and 333,306.09
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Solution
The fourth proportional to 591,478.61, 816,245.64 and 333,306.09 is: 459,965.31
Step by Step Solution
- Step 1: Write the proportion equation
591,478.61 : 816,245.64 = 333,306.09 : x - Step 2: Convert to fraction form
591,478.61/816,245.64 = 333,306.09/x - Step 3: Cross multiply
591,478.61x = 816,245.64 × 333,306.09 - Step 4: Simplify right side
591,478.61x = 272,059,642,747.95 - Step 5: Solve for x
x = 272,059,642,747.95/591,478.61 - Step 6: Final answer
x = 459,965.31
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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.