Finding the Fourth Proportional to 756,307.07, 1,043,690.37 and 412,146.08
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Solution
The fourth proportional to 756,307.07, 1,043,690.37 and 412,146.08 is: 568,754.30
Step by Step Solution
- Step 1: Write the proportion equation
756,307.07 : 1,043,690.37 = 412,146.08 : x - Step 2: Convert to fraction form
756,307.07/1,043,690.37 = 412,146.08/x - Step 3: Cross multiply
756,307.07x = 1,043,690.37 × 412,146.08 - Step 4: Simplify right side
756,307.07x = 430,152,894,729.25 - Step 5: Solve for x
x = 430,152,894,729.25/756,307.07 - Step 6: Final answer
x = 568,754.30
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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.