Finding the Fourth Proportional to 776,692.19, 1,071,578.36 and 454,173.99
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Solution
The fourth proportional to 776,692.19, 1,071,578.36 and 454,173.99 is: 626,609.90
Step by Step Solution
- Step 1: Write the proportion equation
776,692.19 : 1,071,578.36 = 454,173.99 : x - Step 2: Convert to fraction form
776,692.19/1,071,578.36 = 454,173.99/x - Step 3: Cross multiply
776,692.19x = 1,071,578.36 × 454,173.99 - Step 4: Simplify right side
776,692.19x = 486,683,016,475.87 - Step 5: Solve for x
x = 486,683,016,475.87/776,692.19 - Step 6: Final answer
x = 626,609.90
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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.