Finding the Fourth Proportional to 902,470.19, 1,245,251.00 and 515,108.75
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Solution
The fourth proportional to 902,470.19, 1,245,251.00 and 515,108.75 is: 710,759.97
Step by Step Solution
- Step 1: Write the proportion equation
902,470.19 : 1,245,251.00 = 515,108.75 : x - Step 2: Convert to fraction form
902,470.19/1,245,251.00 = 515,108.75/x - Step 3: Cross multiply
902,470.19x = 1,245,251.00 × 515,108.75 - Step 4: Simplify right side
902,470.19x = 641,439,677,244.45 - Step 5: Solve for x
x = 641,439,677,244.45/902,470.19 - Step 6: Final answer
x = 710,759.97
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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.