Finding the Fourth Proportional to 822,874.05, 1,135,069.59 and 543,472.92
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Solution
The fourth proportional to 822,874.05, 1,135,069.59 and 543,472.92 is: 749,664.65
Step by Step Solution
- Step 1: Write the proportion equation
822,874.05 : 1,135,069.59 = 543,472.92 : x - Step 2: Convert to fraction form
822,874.05/1,135,069.59 = 543,472.92/x - Step 3: Cross multiply
822,874.05x = 1,135,069.59 × 543,472.92 - Step 4: Simplify right side
822,874.05x = 616,879,584,480.50 - Step 5: Solve for x
x = 616,879,584,480.50/822,874.05 - Step 6: Final answer
x = 749,664.65
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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.