Finding the Fourth Proportional to 858,433.98, 1,288,914.99 and 480,095.97
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Solution
The fourth proportional to 858,433.98, 1,288,914.99 and 480,095.97 is: 720,850.88
Step by Step Solution
- Step 1: Write the proportion equation
858,433.98 : 1,288,914.99 = 480,095.97 : x - Step 2: Convert to fraction form
858,433.98/1,288,914.99 = 480,095.97/x - Step 3: Cross multiply
858,433.98x = 1,288,914.99 × 480,095.97 - Step 4: Simplify right side
858,433.98x = 618,802,892,371.59 - Step 5: Solve for x
x = 618,802,892,371.59/858,433.98 - Step 6: Final answer
x = 720,850.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.