Finding the Fourth Proportional to 875,851.19, 1,313,145.97 and 538,194.11
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Solution
The fourth proportional to 875,851.19, 1,313,145.97 and 538,194.11 is: 806,903.54
Step by Step Solution
- Step 1: Write the proportion equation
875,851.19 : 1,313,145.97 = 538,194.11 : x - Step 2: Convert to fraction form
875,851.19/1,313,145.97 = 538,194.11/x - Step 3: Cross multiply
875,851.19x = 1,313,145.97 × 538,194.11 - Step 4: Simplify right side
875,851.19x = 706,727,423,919.92 - Step 5: Solve for x
x = 706,727,423,919.92/875,851.19 - Step 6: Final answer
x = 806,903.54
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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.