Finding the Fourth Proportional to 554,470.57, 765,168.84 and 299,821.15
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Solution
The fourth proportional to 554,470.57, 765,168.84 and 299,821.15 is: 413,752.89
Step by Step Solution
- Step 1: Write the proportion equation
554,470.57 : 765,168.84 = 299,821.15 : x - Step 2: Convert to fraction form
554,470.57/765,168.84 = 299,821.15/x - Step 3: Cross multiply
554,470.57x = 765,168.84 × 299,821.15 - Step 4: Simplify right side
554,470.57x = 229,413,801,552.97 - Step 5: Solve for x
x = 229,413,801,552.97/554,470.57 - Step 6: Final answer
x = 413,752.89
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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.