Finding the Fourth Proportional to 663,653.80, 994,292.70 and 403,517.80
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Solution
The fourth proportional to 663,653.80, 994,292.70 and 403,517.80 is: 604,554.37
Step by Step Solution
- Step 1: Write the proportion equation
663,653.80 : 994,292.70 = 403,517.80 : x - Step 2: Convert to fraction form
663,653.80/994,292.70 = 403,517.80/x - Step 3: Cross multiply
663,653.80x = 994,292.70 × 403,517.80 - Step 4: Simplify right side
663,653.80x = 401,214,802,860.06 - Step 5: Solve for x
x = 401,214,802,860.06/663,653.80 - Step 6: Final answer
x = 604,554.37
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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.