Finding the Fourth Proportional to 908,108.91, 1,253,143.98 and 500,201.97
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Solution
The fourth proportional to 908,108.91, 1,253,143.98 and 500,201.97 is: 690,253.21
Step by Step Solution
- Step 1: Write the proportion equation
908,108.91 : 1,253,143.98 = 500,201.97 : x - Step 2: Convert to fraction form
908,108.91/1,253,143.98 = 500,201.97/x - Step 3: Cross multiply
908,108.91x = 1,253,143.98 × 500,201.97 - Step 4: Simplify right side
908,108.91x = 626,825,087,489.64 - Step 5: Solve for x
x = 626,825,087,489.64/908,108.91 - Step 6: Final answer
x = 690,253.21
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1.5x scale
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.