Finding the Fourth Proportional to 981,169.65, 1,471,712.49 and 307,236.02
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Solution
The fourth proportional to 981,169.65, 1,471,712.49 and 307,236.02 is: 460,840.88
Step by Step Solution
- Step 1: Write the proportion equation
981,169.65 : 1,471,712.49 = 307,236.02 : x - Step 2: Convert to fraction form
981,169.65/1,471,712.49 = 307,236.02/x - Step 3: Cross multiply
981,169.65x = 1,471,712.49 × 307,236.02 - Step 4: Simplify right side
981,169.65x = 452,163,080,653.33 - Step 5: Solve for x
x = 452,163,080,653.33/981,169.65 - Step 6: Final answer
x = 460,840.88
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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.