Finding the Fourth Proportional to 981,269.28, 1,354,276.80 and 599,215.68
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Solution
The fourth proportional to 981,269.28, 1,354,276.80 and 599,215.68 is: 826,994.09
Step by Step Solution
- Step 1: Write the proportion equation
981,269.28 : 1,354,276.80 = 599,215.68 : x - Step 2: Convert to fraction form
981,269.28/1,354,276.80 = 599,215.68/x - Step 3: Cross multiply
981,269.28x = 1,354,276.80 × 599,215.68 - Step 4: Simplify right side
981,269.28x = 811,503,893,620.22 - Step 5: Solve for x
x = 811,503,893,620.22/981,269.28 - Step 6: Final answer
x = 826,994.09
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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.