Finding the Fourth Proportional to 676,351.38, 933,378.99 and 370,440.65
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Solution
The fourth proportional to 676,351.38, 933,378.99 and 370,440.65 is: 511,215.81
Step by Step Solution
- Step 1: Write the proportion equation
676,351.38 : 933,378.99 = 370,440.65 : x - Step 2: Convert to fraction form
676,351.38/933,378.99 = 370,440.65/x - Step 3: Cross multiply
676,351.38x = 933,378.99 × 370,440.65 - Step 4: Simplify right side
676,351.38x = 345,761,520,696.24 - Step 5: Solve for x
x = 345,761,520,696.24/676,351.38 - Step 6: Final answer
x = 511,215.81
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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.