Finding the Fourth Proportional to 554,341.97, 764,716.89 and 358,040.96
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Solution
The fourth proportional to 554,341.97, 764,716.89 and 358,040.96 is: 493,918.89
Step by Step Solution
- Step 1: Write the proportion equation
554,341.97 : 764,716.89 = 358,040.96 : x - Step 2: Convert to fraction form
554,341.97/764,716.89 = 358,040.96/x - Step 3: Cross multiply
554,341.97x = 764,716.89 × 358,040.96 - Step 4: Simplify right side
554,341.97x = 273,799,965,600.23 - Step 5: Solve for x
x = 273,799,965,600.23/554,341.97 - Step 6: Final answer
x = 493,918.89
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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.