Finding the Fourth Proportional to 822,499.42, 1,233,220.57 and 343,057.99
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Solution
The fourth proportional to 822,499.42, 1,233,220.57 and 343,057.99 is: 514,366.53
Step by Step Solution
- Step 1: Write the proportion equation
822,499.42 : 1,233,220.57 = 343,057.99 : x - Step 2: Convert to fraction form
822,499.42/1,233,220.57 = 343,057.99/x - Step 3: Cross multiply
822,499.42x = 1,233,220.57 × 343,057.99 - Step 4: Simplify right side
822,499.42x = 423,066,169,970.85 - Step 5: Solve for x
x = 423,066,169,970.85/822,499.42 - Step 6: Final answer
x = 514,366.53
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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.