Finding the Fourth Proportional to 881,163.87, 1,216,066.28 and 499,193.79
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Solution
The fourth proportional to 881,163.87, 1,216,066.28 and 499,193.79 is: 688,921.50
Step by Step Solution
- Step 1: Write the proportion equation
881,163.87 : 1,216,066.28 = 499,193.79 : x - Step 2: Convert to fraction form
881,163.87/1,216,066.28 = 499,193.79/x - Step 3: Cross multiply
881,163.87x = 1,216,066.28 × 499,193.79 - Step 4: Simplify right side
881,163.87x = 607,052,732,708.43 - Step 5: Solve for x
x = 607,052,732,708.43/881,163.87 - Step 6: Final answer
x = 688,921.50
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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.