Finding the Fourth Proportional to 512,578.00, 707,354.82 and 283,151.07
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Solution
The fourth proportional to 512,578.00, 707,354.82 and 283,151.07 is: 390,746.92
Step by Step Solution
- Step 1: Write the proportion equation
512,578.00 : 707,354.82 = 283,151.07 : x - Step 2: Convert to fraction form
512,578.00/707,354.82 = 283,151.07/x - Step 3: Cross multiply
512,578.00x = 707,354.82 × 283,151.07 - Step 4: Simplify right side
512,578.00x = 200,288,270,615.88 - Step 5: Solve for x
x = 200,288,270,615.88/512,578.00 - Step 6: Final answer
x = 390,746.92
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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.