Finding the Fourth Proportional to 814,060.24, 1,221,276.36 and 281,580.82
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Solution
The fourth proportional to 814,060.24, 1,221,276.36 and 281,580.82 is: 422,435.57
Step by Step Solution
- Step 1: Write the proportion equation
814,060.24 : 1,221,276.36 = 281,580.82 : x - Step 2: Convert to fraction form
814,060.24/1,221,276.36 = 281,580.82/x - Step 3: Cross multiply
814,060.24x = 1,221,276.36 × 281,580.82 - Step 4: Simplify right side
814,060.24x = 343,887,998,895.42 - Step 5: Solve for x
x = 343,887,998,895.42/814,060.24 - Step 6: Final answer
x = 422,435.57
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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.