Finding the Fourth Proportional to 902,486.70, 1,245,273.75 and 515,125.26
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Solution
The fourth proportional to 902,486.70, 1,245,273.75 and 515,125.26 is: 710,782.73
Step by Step Solution
- Step 1: Write the proportion equation
902,486.70 : 1,245,273.75 = 515,125.26 : x - Step 2: Convert to fraction form
902,486.70/1,245,273.75 = 515,125.26/x - Step 3: Cross multiply
902,486.70x = 1,245,273.75 × 515,125.26 - Step 4: Simplify right side
902,486.70x = 641,471,964,239.93 - Step 5: Solve for x
x = 641,471,964,239.93/902,486.70 - Step 6: Final answer
x = 710,782.73
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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.