Finding the Fourth Proportional to 804,864.40, 1,207,222.79 and 272,324.43
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Solution
The fourth proportional to 804,864.40, 1,207,222.79 and 272,324.43 is: 408,461.67
Step by Step Solution
- Step 1: Write the proportion equation
804,864.40 : 1,207,222.79 = 272,324.43 : x - Step 2: Convert to fraction form
804,864.40/1,207,222.79 = 272,324.43/x - Step 3: Cross multiply
804,864.40x = 1,207,222.79 × 272,324.43 - Step 4: Simplify right side
804,864.40x = 328,756,256,808.14 - Step 5: Solve for x
x = 328,756,256,808.14/804,864.40 - Step 6: Final answer
x = 408,461.67
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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.