Finding the Fourth Proportional to 1,135,415.13, 1,703,451.42 and 336,715.89
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Solution
The fourth proportional to 1,135,415.13, 1,703,451.42 and 336,715.89 is: 505,171.32
Step by Step Solution
- Step 1: Write the proportion equation
1,135,415.13 : 1,703,451.42 = 336,715.89 : x - Step 2: Convert to fraction form
1,135,415.13/1,703,451.42 = 336,715.89/x - Step 3: Cross multiply
1,135,415.13x = 1,703,451.42 × 336,715.89 - Step 4: Simplify right side
1,135,415.13x = 573,579,160,957.06 - Step 5: Solve for x
x = 573,579,160,957.06/1,135,415.13 - Step 6: Final answer
x = 505,171.32
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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.