Finding the Fourth Proportional to 553,966.77, 764,532.92 and 324,716.68
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Solution
The fourth proportional to 553,966.77, 764,532.92 and 324,716.68 is: 448,143.47
Step by Step Solution
- Step 1: Write the proportion equation
553,966.77 : 764,532.92 = 324,716.68 : x - Step 2: Convert to fraction form
553,966.77/764,532.92 = 324,716.68/x - Step 3: Cross multiply
553,966.77x = 764,532.92 × 324,716.68 - Step 4: Simplify right side
553,966.77x = 248,256,590,721.31 - Step 5: Solve for x
x = 248,256,590,721.31/553,966.77 - Step 6: Final answer
x = 448,143.47
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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.