Finding the Fourth Proportional to 776,706.14, 1,165,338.66 and 271,341.47
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Solution
The fourth proportional to 776,706.14, 1,165,338.66 and 271,341.47 is: 407,109.83
Step by Step Solution
- Step 1: Write the proportion equation
776,706.14 : 1,165,338.66 = 271,341.47 : x - Step 2: Convert to fraction form
776,706.14/1,165,338.66 = 271,341.47/x - Step 3: Cross multiply
776,706.14x = 1,165,338.66 × 271,341.47 - Step 4: Simplify right side
776,706.14x = 316,204,705,052.23 - Step 5: Solve for x
x = 316,204,705,052.23/776,706.14 - Step 6: Final answer
x = 407,109.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.