Finding the Fourth Proportional to 855,827.28, 1,283,755.50 and 323,598.96
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Solution
The fourth proportional to 855,827.28, 1,283,755.50 and 323,598.96 is: 485,403.95
Step by Step Solution
- Step 1: Write the proportion equation
855,827.28 : 1,283,755.50 = 323,598.96 : x - Step 2: Convert to fraction form
855,827.28/1,283,755.50 = 323,598.96/x - Step 3: Cross multiply
855,827.28x = 1,283,755.50 × 323,598.96 - Step 4: Simplify right side
855,827.28x = 415,421,944,694.28 - Step 5: Solve for x
x = 415,421,944,694.28/855,827.28 - Step 6: Final answer
x = 485,403.95
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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.