Finding the Fourth Proportional to 756,979.68, 1,043,546.88 and 595,555.20
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Solution
The fourth proportional to 756,979.68, 1,043,546.88 and 595,555.20 is: 821,012.49
Step by Step Solution
- Step 1: Write the proportion equation
756,979.68 : 1,043,546.88 = 595,555.20 : x - Step 2: Convert to fraction form
756,979.68/1,043,546.88 = 595,555.20/x - Step 3: Cross multiply
756,979.68x = 1,043,546.88 × 595,555.20 - Step 4: Simplify right side
756,979.68x = 621,489,770,827.78 - Step 5: Solve for x
x = 621,489,770,827.78/756,979.68 - Step 6: Final answer
x = 821,012.49
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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.