Finding the Fourth Proportional to 876,305.17, 1,209,302.09 and 483,838.84
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Solution
The fourth proportional to 876,305.17, 1,209,302.09 and 483,838.84 is: 667,698.12
Step by Step Solution
- Step 1: Write the proportion equation
876,305.17 : 1,209,302.09 = 483,838.84 : x - Step 2: Convert to fraction form
876,305.17/1,209,302.09 = 483,838.84/x - Step 3: Cross multiply
876,305.17x = 1,209,302.09 × 483,838.84 - Step 4: Simplify right side
876,305.17x = 585,107,318,015.98 - Step 5: Solve for x
x = 585,107,318,015.98/876,305.17 - Step 6: Final answer
x = 667,698.12
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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.