Finding the Fourth Proportional to 880,721.55, 1,321,075.26 and 523,368.99
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Solution
The fourth proportional to 880,721.55, 1,321,075.26 and 523,368.99 is: 785,049.29
Step by Step Solution
- Step 1: Write the proportion equation
880,721.55 : 1,321,075.26 = 523,368.99 : x - Step 2: Convert to fraction form
880,721.55/1,321,075.26 = 523,368.99/x - Step 3: Cross multiply
880,721.55x = 1,321,075.26 × 523,368.99 - Step 4: Simplify right side
880,721.55x = 691,409,824,540.19 - Step 5: Solve for x
x = 691,409,824,540.19/880,721.55 - Step 6: Final answer
x = 785,049.29
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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.