Finding the Fourth Proportional to 555,696.18, 766,578.87 and 351,402.84
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Solution
The fourth proportional to 555,696.18, 766,578.87 and 351,402.84 is: 484,757.68
Step by Step Solution
- Step 1: Write the proportion equation
555,696.18 : 766,578.87 = 351,402.84 : x - Step 2: Convert to fraction form
555,696.18/766,578.87 = 351,402.84/x - Step 3: Cross multiply
555,696.18x = 766,578.87 × 351,402.84 - Step 4: Simplify right side
555,696.18x = 269,377,992,001.99 - Step 5: Solve for x
x = 269,377,992,001.99/555,696.18 - Step 6: Final answer
x = 484,757.68
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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.