Finding the Fourth Proportional to 682,821.50, 942,293.76 and 376,897.99
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Solution
The fourth proportional to 682,821.50, 942,293.76 and 376,897.99 is: 520,119.27
Step by Step Solution
- Step 1: Write the proportion equation
682,821.50 : 942,293.76 = 376,897.99 : x - Step 2: Convert to fraction form
682,821.50/942,293.76 = 376,897.99/x - Step 3: Cross multiply
682,821.50x = 942,293.76 × 376,897.99 - Step 4: Simplify right side
682,821.50x = 355,148,617,537.58 - Step 5: Solve for x
x = 355,148,617,537.58/682,821.50 - Step 6: Final answer
x = 520,119.27
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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.