Finding the Fourth Proportional to 828,514.24, 1,143,654.72 and 727,614.40
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Solution
The fourth proportional to 828,514.24, 1,143,654.72 and 727,614.40 is: 1,004,375.79
Step by Step Solution
- Step 1: Write the proportion equation
828,514.24 : 1,143,654.72 = 727,614.40 : x - Step 2: Convert to fraction form
828,514.24/1,143,654.72 = 727,614.40/x - Step 3: Cross multiply
828,514.24x = 1,143,654.72 × 727,614.40 - Step 4: Simplify right side
828,514.24x = 832,139,642,899.97 - Step 5: Solve for x
x = 832,139,642,899.97/828,514.24 - Step 6: Final answer
x = 1,004,375.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.