Finding the Fourth Proportional to 813,348.03, 1,122,420.39 and 450,795.29
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Solution
The fourth proportional to 813,348.03, 1,122,420.39 and 450,795.29 is: 622,097.56
Step by Step Solution
- Step 1: Write the proportion equation
813,348.03 : 1,122,420.39 = 450,795.29 : x - Step 2: Convert to fraction form
813,348.03/1,122,420.39 = 450,795.29/x - Step 3: Cross multiply
813,348.03x = 1,122,420.39 × 450,795.29 - Step 4: Simplify right side
813,348.03x = 505,981,822,957.99 - Step 5: Solve for x
x = 505,981,822,957.99/813,348.03 - Step 6: Final answer
x = 622,097.56
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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.