Finding the Fourth Proportional to 577,211.36, 796,556.69 and 319,084.13
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Solution
The fourth proportional to 577,211.36, 796,556.69 and 319,084.13 is: 440,338.86
Step by Step Solution
- Step 1: Write the proportion equation
577,211.36 : 796,556.69 = 319,084.13 : x - Step 2: Convert to fraction form
577,211.36/796,556.69 = 319,084.13/x - Step 3: Cross multiply
577,211.36x = 796,556.69 × 319,084.13 - Step 4: Simplify right side
577,211.36x = 254,168,592,846.13 - Step 5: Solve for x
x = 254,168,592,846.13/577,211.36 - Step 6: Final answer
x = 440,338.86
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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.