Finding the Fourth Proportional to 413,843.60, 621,199.76 and 366,759.92
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Solution
The fourth proportional to 413,843.60, 621,199.76 and 366,759.92 is: 550,524.82
Step by Step Solution
- Step 1: Write the proportion equation
413,843.60 : 621,199.76 = 366,759.92 : x - Step 2: Convert to fraction form
413,843.60/621,199.76 = 366,759.92/x - Step 3: Cross multiply
413,843.60x = 621,199.76 × 366,759.92 - Step 4: Simplify right side
413,843.60x = 227,831,169,341.82 - Step 5: Solve for x
x = 227,831,169,341.82/413,843.60 - Step 6: Final answer
x = 550,524.82
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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.