Finding the Fourth Proportional to 981,479.48, 1,472,219.42 and 307,560.65
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Solution
The fourth proportional to 981,479.48, 1,472,219.42 and 307,560.65 is: 461,341.03
Step by Step Solution
- Step 1: Write the proportion equation
981,479.48 : 1,472,219.42 = 307,560.65 : x - Step 2: Convert to fraction form
981,479.48/1,472,219.42 = 307,560.65/x - Step 3: Cross multiply
981,479.48x = 1,472,219.42 × 307,560.65 - Step 4: Simplify right side
981,479.48x = 452,796,752,858.92 - Step 5: Solve for x
x = 452,796,752,858.92/981,479.48 - Step 6: Final answer
x = 461,341.03
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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.