Finding the Fourth Proportional to 873,059.40, 1,204,831.98 and 491,082.84
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Solution
The fourth proportional to 873,059.40, 1,204,831.98 and 491,082.84 is: 677,699.95
Step by Step Solution
- Step 1: Write the proportion equation
873,059.40 : 1,204,831.98 = 491,082.84 : x - Step 2: Convert to fraction form
873,059.40/1,204,831.98 = 491,082.84/x - Step 3: Cross multiply
873,059.40x = 1,204,831.98 × 491,082.84 - Step 4: Simplify right side
873,059.40x = 591,672,310,461.22 - Step 5: Solve for x
x = 591,672,310,461.22/873,059.40 - Step 6: Final answer
x = 677,699.95
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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.