Finding the Fourth Proportional to 611,766.16, 844,243.74 and 339,850.96
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Solution
The fourth proportional to 611,766.16, 844,243.74 and 339,850.96 is: 468,997.90
Step by Step Solution
- Step 1: Write the proportion equation
611,766.16 : 844,243.74 = 339,850.96 : x - Step 2: Convert to fraction form
611,766.16/844,243.74 = 339,850.96/x - Step 3: Cross multiply
611,766.16x = 844,243.74 × 339,850.96 - Step 4: Simplify right side
611,766.16x = 286,917,045,512.99 - Step 5: Solve for x
x = 286,917,045,512.99/611,766.16 - Step 6: Final answer
x = 468,997.90
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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.