Finding the Fourth Proportional to 874,458.40, 1,311,687.84 and 675,069.84
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Solution
The fourth proportional to 874,458.40, 1,311,687.84 and 675,069.84 is: 1,012,604.95
Step by Step Solution
- Step 1: Write the proportion equation
874,458.40 : 1,311,687.84 = 675,069.84 : x - Step 2: Convert to fraction form
874,458.40/1,311,687.84 = 675,069.84/x - Step 3: Cross multiply
874,458.40x = 1,311,687.84 × 675,069.84 - Step 4: Simplify right side
874,458.40x = 885,480,900,278.75 - Step 5: Solve for x
x = 885,480,900,278.75/874,458.40 - Step 6: Final answer
x = 1,012,604.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.