Finding the Fourth Proportional to 565,007.67, 779,716.26 and 306,889.66
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Solution
The fourth proportional to 565,007.67, 779,716.26 and 306,889.66 is: 423,510.81
Step by Step Solution
- Step 1: Write the proportion equation
565,007.67 : 779,716.26 = 306,889.66 : x - Step 2: Convert to fraction form
565,007.67/779,716.26 = 306,889.66/x - Step 3: Cross multiply
565,007.67x = 779,716.26 × 306,889.66 - Step 4: Simplify right side
565,007.67x = 239,286,857,927.87 - Step 5: Solve for x
x = 239,286,857,927.87/565,007.67 - Step 6: Final answer
x = 423,510.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.