Finding the Fourth Proportional to 733,405.21, 1,012,202.57 and 406,790.87
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Solution
The fourth proportional to 733,405.21, 1,012,202.57 and 406,790.87 is: 561,428.74
Step by Step Solution
- Step 1: Write the proportion equation
733,405.21 : 1,012,202.57 = 406,790.87 : x - Step 2: Convert to fraction form
733,405.21/1,012,202.57 = 406,790.87/x - Step 3: Cross multiply
733,405.21x = 1,012,202.57 × 406,790.87 - Step 4: Simplify right side
733,405.21x = 411,754,764,066.54 - Step 5: Solve for x
x = 411,754,764,066.54/733,405.21 - Step 6: Final answer
x = 561,428.74
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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.