Finding the Fourth Proportional to 512,448.69, 707,126.85 and 297,634.26
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Solution
The fourth proportional to 512,448.69, 707,126.85 and 297,634.26 is: 410,704.88
Step by Step Solution
- Step 1: Write the proportion equation
512,448.69 : 707,126.85 = 297,634.26 : x - Step 2: Convert to fraction form
512,448.69/707,126.85 = 297,634.26/x - Step 3: Cross multiply
512,448.69x = 707,126.85 × 297,634.26 - Step 4: Simplify right side
512,448.69x = 210,465,176,725.88 - Step 5: Solve for x
x = 210,465,176,725.88/512,448.69 - Step 6: Final answer
x = 410,704.88
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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.