Finding the Fourth Proportional to 867,553.26, 1,197,211.77 and 485,579.94
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Solution
The fourth proportional to 867,553.26, 1,197,211.77 and 485,579.94 is: 670,093.75
Step by Step Solution
- Step 1: Write the proportion equation
867,553.26 : 1,197,211.77 = 485,579.94 : x - Step 2: Convert to fraction form
867,553.26/1,197,211.77 = 485,579.94/x - Step 3: Cross multiply
867,553.26x = 1,197,211.77 × 485,579.94 - Step 4: Simplify right side
867,553.26x = 581,342,019,443.89 - Step 5: Solve for x
x = 581,342,019,443.89/867,553.26 - Step 6: Final answer
x = 670,093.75
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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.