Finding the Fourth Proportional to 977,553.30, 1,465,163.55 and 408,933.30
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Solution
The fourth proportional to 977,553.30, 1,465,163.55 and 408,933.30 is: 612,912.02
Step by Step Solution
- Step 1: Write the proportion equation
977,553.30 : 1,465,163.55 = 408,933.30 : x - Step 2: Convert to fraction form
977,553.30/1,465,163.55 = 408,933.30/x - Step 3: Cross multiply
977,553.30x = 1,465,163.55 × 408,933.30 - Step 4: Simplify right side
977,553.30x = 599,154,165,541.22 - Step 5: Solve for x
x = 599,154,165,541.22/977,553.30 - Step 6: Final answer
x = 612,912.02
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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.