Finding the Fourth Proportional to 986,448.66, 1,479,716.06 and 312,579.63
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Solution
The fourth proportional to 986,448.66, 1,479,716.06 and 312,579.63 is: 468,883.09
Step by Step Solution
- Step 1: Write the proportion equation
986,448.66 : 1,479,716.06 = 312,579.63 : x - Step 2: Convert to fraction form
986,448.66/1,479,716.06 = 312,579.63/x - Step 3: Cross multiply
986,448.66x = 1,479,716.06 × 312,579.63 - Step 4: Simplify right side
986,448.66x = 462,529,096,976.96 - Step 5: Solve for x
x = 462,529,096,976.96/986,448.66 - Step 6: Final answer
x = 468,883.09
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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.