Finding the Fourth Proportional to 693,580.80, 1,040,163.84 and 360,975.36
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Solution
The fourth proportional to 693,580.80, 1,040,163.84 and 360,975.36 is: 541,355.12
Step by Step Solution
- Step 1: Write the proportion equation
693,580.80 : 1,040,163.84 = 360,975.36 : x - Step 2: Convert to fraction form
693,580.80/1,040,163.84 = 360,975.36/x - Step 3: Cross multiply
693,580.80x = 1,040,163.84 × 360,975.36 - Step 4: Simplify right side
693,580.80x = 375,473,516,602.98 - Step 5: Solve for x
x = 375,473,516,602.98/693,580.80 - Step 6: Final answer
x = 541,355.12
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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.