Finding the Fourth Proportional to 611,736.63, 844,220.24 and 339,825.16
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Solution
The fourth proportional to 611,736.63, 844,220.24 and 339,825.16 is: 468,971.88
Step by Step Solution
- Step 1: Write the proportion equation
611,736.63 : 844,220.24 = 339,825.16 : x - Step 2: Convert to fraction form
611,736.63/844,220.24 = 339,825.16/x - Step 3: Cross multiply
611,736.63x = 844,220.24 × 339,825.16 - Step 4: Simplify right side
611,736.63x = 286,887,278,133.24 - Step 5: Solve for x
x = 286,887,278,133.24/611,736.63 - Step 6: Final answer
x = 468,971.88
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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.