Finding the Fourth Proportional to 527,010.09, 727,268.99 and 285,286.44
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Solution
The fourth proportional to 527,010.09, 727,268.99 and 285,286.44 is: 393,692.62
Step by Step Solution
- Step 1: Write the proportion equation
527,010.09 : 727,268.99 = 285,286.44 : x - Step 2: Convert to fraction form
527,010.09/727,268.99 = 285,286.44/x - Step 3: Cross multiply
527,010.09x = 727,268.99 × 285,286.44 - Step 4: Simplify right side
527,010.09x = 207,479,981,079.50 - Step 5: Solve for x
x = 207,479,981,079.50/527,010.09 - Step 6: Final answer
x = 393,692.62
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1.5x scale
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.