Finding the Fourth Proportional to 497,296.10, 744,194.55 and 455,305.70
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Solution
The fourth proportional to 497,296.10, 744,194.55 and 455,305.70 is: 681,356.68
Step by Step Solution
- Step 1: Write the proportion equation
497,296.10 : 744,194.55 = 455,305.70 : x - Step 2: Convert to fraction form
497,296.10/744,194.55 = 455,305.70/x - Step 3: Cross multiply
497,296.10x = 744,194.55 × 455,305.70 - Step 4: Simplify right side
497,296.10x = 338,836,020,523.94 - Step 5: Solve for x
x = 338,836,020,523.94/497,296.10 - Step 6: Final answer
x = 681,356.68
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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.