Finding the Fourth Proportional to 686,283.14, 946,843.74 and 414,247.68
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Solution
The fourth proportional to 686,283.14, 946,843.74 and 414,247.68 is: 571,524.79
Step by Step Solution
- Step 1: Write the proportion equation
686,283.14 : 946,843.74 = 414,247.68 : x - Step 2: Convert to fraction form
686,283.14/946,843.74 = 414,247.68/x - Step 3: Cross multiply
686,283.14x = 946,843.74 × 414,247.68 - Step 4: Simplify right side
686,283.14x = 392,227,822,617.52 - Step 5: Solve for x
x = 392,227,822,617.52/686,283.14 - Step 6: Final answer
x = 571,524.79
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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.