Finding the Fourth Proportional to 825,194.97, 1,138,499.69 and 480,951.99
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Solution
The fourth proportional to 825,194.97, 1,138,499.69 and 480,951.99 is: 663,556.75
Step by Step Solution
- Step 1: Write the proportion equation
825,194.97 : 1,138,499.69 = 480,951.99 : x - Step 2: Convert to fraction form
825,194.97/1,138,499.69 = 480,951.99/x - Step 3: Cross multiply
825,194.97x = 1,138,499.69 × 480,951.99 - Step 4: Simplify right side
825,194.97x = 547,563,689,115.12 - Step 5: Solve for x
x = 547,563,689,115.12/825,194.97 - Step 6: Final answer
x = 663,556.75
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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.