Finding the Fourth Proportional to 857,757.19, 1,183,846.89 and 475,906.99
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Solution
The fourth proportional to 857,757.19, 1,183,846.89 and 475,906.99 is: 656,830.41
Step by Step Solution
- Step 1: Write the proportion equation
857,757.19 : 1,183,846.89 = 475,906.99 : x - Step 2: Convert to fraction form
857,757.19/1,183,846.89 = 475,906.99/x - Step 3: Cross multiply
857,757.19x = 1,183,846.89 × 475,906.99 - Step 4: Simplify right side
857,757.19x = 563,401,010,040.76 - Step 5: Solve for x
x = 563,401,010,040.76/857,757.19 - Step 6: Final answer
x = 656,830.41
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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.