Finding the Fourth Proportional to 804,965.70, 1,207,489.90 and 205,932.05
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Solution
The fourth proportional to 804,965.70, 1,207,489.90 and 205,932.05 is: 308,908.66
Step by Step Solution
- Step 1: Write the proportion equation
804,965.70 : 1,207,489.90 = 205,932.05 : x - Step 2: Convert to fraction form
804,965.70/1,207,489.90 = 205,932.05/x - Step 3: Cross multiply
804,965.70x = 1,207,489.90 × 205,932.05 - Step 4: Simplify right side
804,965.70x = 248,660,870,461.30 - Step 5: Solve for x
x = 248,660,870,461.30/804,965.70 - Step 6: Final answer
x = 308,908.66
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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.