Finding the Fourth Proportional to 981,524.10, 1,354,495.11 and 551,806.14
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Solution
The fourth proportional to 981,524.10, 1,354,495.11 and 551,806.14 is: 761,487.89
Step by Step Solution
- Step 1: Write the proportion equation
981,524.10 : 1,354,495.11 = 551,806.14 : x - Step 2: Convert to fraction form
981,524.10/1,354,495.11 = 551,806.14/x - Step 3: Cross multiply
981,524.10x = 1,354,495.11 × 551,806.14 - Step 4: Simplify right side
981,524.10x = 747,418,718,297.98 - Step 5: Solve for x
x = 747,418,718,297.98/981,524.10 - Step 6: Final answer
x = 761,487.89
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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.