Finding the Fourth Proportional to 981,992.62, 1,473,134.79 and 308,129.38
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Solution
The fourth proportional to 981,992.62, 1,473,134.79 and 308,129.38 is: 462,239.84
Step by Step Solution
- Step 1: Write the proportion equation
981,992.62 : 1,473,134.79 = 308,129.38 : x - Step 2: Convert to fraction form
981,992.62/1,473,134.79 = 308,129.38/x - Step 3: Cross multiply
981,992.62x = 1,473,134.79 × 308,129.38 - Step 4: Simplify right side
981,992.62x = 453,916,109,499.13 - Step 5: Solve for x
x = 453,916,109,499.13/981,992.62 - Step 6: Final answer
x = 462,239.84
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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.