Finding the Fourth Proportional to 790,602.75, 1,186,125.84 and 317,620.26
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Solution
The fourth proportional to 790,602.75, 1,186,125.84 and 317,620.26 is: 476,519.46
Step by Step Solution
- Step 1: Write the proportion equation
790,602.75 : 1,186,125.84 = 317,620.26 : x - Step 2: Convert to fraction form
790,602.75/1,186,125.84 = 317,620.26/x - Step 3: Cross multiply
790,602.75x = 1,186,125.84 × 317,620.26 - Step 4: Simplify right side
790,602.75x = 376,737,597,693.52 - Step 5: Solve for x
x = 376,737,597,693.52/790,602.75 - Step 6: Final answer
x = 476,519.46
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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.