Finding the Fourth Proportional to 641,762.29, 885,596.84 and 351,317.68
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Solution
The fourth proportional to 641,762.29, 885,596.84 and 351,317.68 is: 484,799.18
Step by Step Solution
- Step 1: Write the proportion equation
641,762.29 : 885,596.84 = 351,317.68 : x - Step 2: Convert to fraction form
641,762.29/885,596.84 = 351,317.68/x - Step 3: Cross multiply
641,762.29x = 885,596.84 × 351,317.68 - Step 4: Simplify right side
641,762.29x = 311,125,827,911.98 - Step 5: Solve for x
x = 311,125,827,911.98/641,762.29 - Step 6: Final answer
x = 484,799.18
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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.