Finding the Fourth Proportional to 782,522.14, 1,173,862.49 and 270,120.49
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Solution
The fourth proportional to 782,522.14, 1,173,862.49 and 270,120.49 is: 405,208.11
Step by Step Solution
- Step 1: Write the proportion equation
782,522.14 : 1,173,862.49 = 270,120.49 : x - Step 2: Convert to fraction form
782,522.14/1,173,862.49 = 270,120.49/x - Step 3: Cross multiply
782,522.14x = 1,173,862.49 × 270,120.49 - Step 4: Simplify right side
782,522.14x = 317,084,312,575.47 - Step 5: Solve for x
x = 317,084,312,575.47/782,522.14 - Step 6: Final answer
x = 405,208.11
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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.