Finding the Fourth Proportional to 659,910.92, 910,677.07 and 358,104.92
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Solution
The fourth proportional to 659,910.92, 910,677.07 and 358,104.92 is: 494,184.79
Step by Step Solution
- Step 1: Write the proportion equation
659,910.92 : 910,677.07 = 358,104.92 : x - Step 2: Convert to fraction form
659,910.92/910,677.07 = 358,104.92/x - Step 3: Cross multiply
659,910.92x = 910,677.07 × 358,104.92 - Step 4: Simplify right side
659,910.92x = 326,117,942,470.14 - Step 5: Solve for x
x = 326,117,942,470.14/659,910.92 - Step 6: Final answer
x = 494,184.79
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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.