Finding the Fourth Proportional to 881,280.99, 1,321,926.04 and 401,173.03
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Solution
The fourth proportional to 881,280.99, 1,321,926.04 and 401,173.03 is: 601,761.62
Step by Step Solution
- Step 1: Write the proportion equation
881,280.99 : 1,321,926.04 = 401,173.03 : x - Step 2: Convert to fraction form
881,280.99/1,321,926.04 = 401,173.03/x - Step 3: Cross multiply
881,280.99x = 1,321,926.04 × 401,173.03 - Step 4: Simplify right side
881,280.99x = 530,321,074,902.70 - Step 5: Solve for x
x = 530,321,074,902.70/881,280.99 - Step 6: Final answer
x = 601,761.62
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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.