Finding the Fourth Proportional to 514,755.18, 771,279.21 and 364,249.44
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Solution
The fourth proportional to 514,755.18, 771,279.21 and 364,249.44 is: 545,770.17
Step by Step Solution
- Step 1: Write the proportion equation
514,755.18 : 771,279.21 = 364,249.44 : x - Step 2: Convert to fraction form
514,755.18/771,279.21 = 364,249.44/x - Step 3: Cross multiply
514,755.18x = 771,279.21 × 364,249.44 - Step 4: Simplify right side
514,755.18x = 280,938,020,326.14 - Step 5: Solve for x
x = 280,938,020,326.14/514,755.18 - Step 6: Final answer
x = 545,770.17
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1.5x scale
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.