Finding the Fourth Proportional to 554,591.97, 765,336.90 and 299,943.15
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Solution
The fourth proportional to 554,591.97, 765,336.90 and 299,943.15 is: 413,921.54
Step by Step Solution
- Step 1: Write the proportion equation
554,591.97 : 765,336.90 = 299,943.15 : x - Step 2: Convert to fraction form
554,591.97/765,336.90 = 299,943.15/x - Step 3: Cross multiply
554,591.97x = 765,336.90 × 299,943.15 - Step 4: Simplify right side
554,591.97x = 229,557,560,597.24 - Step 5: Solve for x
x = 229,557,560,597.24/554,591.97 - Step 6: Final answer
x = 413,921.54
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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.