Finding the Fourth Proportional to 586,315.97, 809,129.73 and 328,186.49
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Solution
The fourth proportional to 586,315.97, 809,129.73 and 328,186.49 is: 452,905.03
Step by Step Solution
- Step 1: Write the proportion equation
586,315.97 : 809,129.73 = 328,186.49 : x - Step 2: Convert to fraction form
586,315.97/809,129.73 = 328,186.49/x - Step 3: Cross multiply
586,315.97x = 809,129.73 × 328,186.49 - Step 4: Simplify right side
586,315.97x = 265,545,448,066.17 - Step 5: Solve for x
x = 265,545,448,066.17/586,315.97 - Step 6: Final answer
x = 452,905.03
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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.