Finding the Fourth Proportional to 870,008.59, 1,304,590.97 and 510,296.99
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Solution
The fourth proportional to 870,008.59, 1,304,590.97 and 510,296.99 is: 765,198.01
Step by Step Solution
- Step 1: Write the proportion equation
870,008.59 : 1,304,590.97 = 510,296.99 : x - Step 2: Convert to fraction form
870,008.59/1,304,590.97 = 510,296.99/x - Step 3: Cross multiply
870,008.59x = 1,304,590.97 × 510,296.99 - Step 4: Simplify right side
870,008.59x = 665,728,845,172.18 - Step 5: Solve for x
x = 665,728,845,172.18/870,008.59 - Step 6: Final answer
x = 765,198.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.