Finding the Fourth Proportional to 977,163.90, 1,465,745.85 and 809,202.30
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Solution
The fourth proportional to 977,163.90, 1,465,745.85 and 809,202.30 is: 1,213,803.45
Step by Step Solution
- Step 1: Write the proportion equation
977,163.90 : 1,465,745.85 = 809,202.30 : x - Step 2: Convert to fraction form
977,163.90/1,465,745.85 = 809,202.30/x - Step 3: Cross multiply
977,163.90x = 1,465,745.85 × 809,202.30 - Step 4: Simplify right side
977,163.90x = 1,186,084,913,035.46 - Step 5: Solve for x
x = 1,186,084,913,035.46/977,163.90 - Step 6: Final answer
x = 1,213,803.45
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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.