Finding the Fourth Proportional to 981,276.10, 1,471,961.67 and 271,288.42
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Solution
The fourth proportional to 981,276.10, 1,471,961.67 and 271,288.42 is: 406,945.77
Step by Step Solution
- Step 1: Write the proportion equation
981,276.10 : 1,471,961.67 = 271,288.42 : x - Step 2: Convert to fraction form
981,276.10/1,471,961.67 = 271,288.42/x - Step 3: Cross multiply
981,276.10x = 1,471,961.67 × 271,288.42 - Step 4: Simplify right side
981,276.10x = 399,326,155,754.86 - Step 5: Solve for x
x = 399,326,155,754.86/981,276.10 - Step 6: Final answer
x = 406,945.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.