Finding the Fourth Proportional to 765,646.57, 1,148,382.29 and 204,724.81
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Solution
The fourth proportional to 765,646.57, 1,148,382.29 and 204,724.81 is: 307,063.80
Step by Step Solution
- Step 1: Write the proportion equation
765,646.57 : 1,148,382.29 = 204,724.81 : x - Step 2: Convert to fraction form
765,646.57/1,148,382.29 = 204,724.81/x - Step 3: Cross multiply
765,646.57x = 1,148,382.29 × 204,724.81 - Step 4: Simplify right side
765,646.57x = 235,102,346,127.62 - Step 5: Solve for x
x = 235,102,346,127.62/765,646.57 - Step 6: Final answer
x = 307,063.80
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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.