Finding the Fourth Proportional to 894,755.44, 1,234,791.56 and 512,854.20
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Solution
The fourth proportional to 894,755.44, 1,234,791.56 and 512,854.20 is: 707,755.45
Step by Step Solution
- Step 1: Write the proportion equation
894,755.44 : 1,234,791.56 = 512,854.20 : x - Step 2: Convert to fraction form
894,755.44/1,234,791.56 = 512,854.20/x - Step 3: Cross multiply
894,755.44x = 1,234,791.56 × 512,854.20 - Step 4: Simplify right side
894,755.44x = 633,268,037,670.55 - Step 5: Solve for x
x = 633,268,037,670.55/894,755.44 - Step 6: Final answer
x = 707,755.45
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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.