Finding the Fourth Proportional to 527,590.25, 728,075.19 and 285,872.63
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Solution
The fourth proportional to 527,590.25, 728,075.19 and 285,872.63 is: 394,504.58
Step by Step Solution
- Step 1: Write the proportion equation
527,590.25 : 728,075.19 = 285,872.63 : x - Step 2: Convert to fraction form
527,590.25/728,075.19 = 285,872.63/x - Step 3: Cross multiply
527,590.25x = 728,075.19 × 285,872.63 - Step 4: Simplify right side
527,590.25x = 208,136,769,403.05 - Step 5: Solve for x
x = 208,136,769,403.05/527,590.25 - Step 6: Final answer
x = 394,504.58
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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.