Finding the Fourth Proportional to 512,434.24, 765,287.12 and 436,747.84
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Solution
The fourth proportional to 512,434.24, 765,287.12 and 436,747.84 is: 652,254.42
Step by Step Solution
- Step 1: Write the proportion equation
512,434.24 : 765,287.12 = 436,747.84 : x - Step 2: Convert to fraction form
512,434.24/765,287.12 = 436,747.84/x - Step 3: Cross multiply
512,434.24x = 765,287.12 × 436,747.84 - Step 4: Simplify right side
512,434.24x = 334,237,496,639.82 - Step 5: Solve for x
x = 334,237,496,639.82/512,434.24 - Step 6: Final answer
x = 652,254.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.