Finding the Fourth Proportional to 512,802.04, 707,651.92 and 283,355.68
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Solution
The fourth proportional to 512,802.04, 707,651.92 and 283,355.68 is: 391,022.61
Step by Step Solution
- Step 1: Write the proportion equation
512,802.04 : 707,651.92 = 283,355.68 : x - Step 2: Convert to fraction form
512,802.04/707,651.92 = 283,355.68/x - Step 3: Cross multiply
512,802.04x = 707,651.92 × 283,355.68 - Step 4: Simplify right side
512,802.04x = 200,517,190,994.91 - Step 5: Solve for x
x = 200,517,190,994.91/512,802.04 - Step 6: Final answer
x = 391,022.61
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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.