Finding the Fourth Proportional to 555,716.43, 766,606.82 and 351,423.09
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Solution
The fourth proportional to 555,716.43, 766,606.82 and 351,423.09 is: 484,785.62
Step by Step Solution
- Step 1: Write the proportion equation
555,716.43 : 766,606.82 = 351,423.09 : x - Step 2: Convert to fraction form
555,716.43/766,606.82 = 351,423.09/x - Step 3: Cross multiply
555,716.43x = 766,606.82 × 351,423.09 - Step 4: Simplify right side
555,716.43x = 269,403,335,742.36 - Step 5: Solve for x
x = 269,403,335,742.36/555,716.43 - Step 6: Final answer
x = 484,785.62
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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.