Finding the Fourth Proportional to 579,657.60, 869,194.80 and 343,072.80
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Solution
The fourth proportional to 579,657.60, 869,194.80 and 343,072.80 is: 514,436.62
Step by Step Solution
- Step 1: Write the proportion equation
579,657.60 : 869,194.80 = 343,072.80 : x - Step 2: Convert to fraction form
579,657.60/869,194.80 = 343,072.80/x - Step 3: Cross multiply
579,657.60x = 869,194.80 × 343,072.80 - Step 4: Simplify right side
579,657.60x = 298,197,093,781.44 - Step 5: Solve for x
x = 298,197,093,781.44/579,657.60 - Step 6: Final answer
x = 514,436.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.