Finding the Fourth Proportional to 626,295.10, 864,329.97 and 354,362.98
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Solution
The fourth proportional to 626,295.10, 864,329.97 and 354,362.98 is: 489,045.09
Step by Step Solution
- Step 1: Write the proportion equation
626,295.10 : 864,329.97 = 354,362.98 : x - Step 2: Convert to fraction form
626,295.10/864,329.97 = 354,362.98/x - Step 3: Cross multiply
626,295.10x = 864,329.97 × 354,362.98 - Step 4: Simplify right side
626,295.10x = 306,286,543,872.51 - Step 5: Solve for x
x = 306,286,543,872.51/626,295.10 - Step 6: Final answer
x = 489,045.09
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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.