Finding the Fourth Proportional to 558,635.97, 838,369.67 and 274,479.06
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Solution
The fourth proportional to 558,635.97, 838,369.67 and 274,479.06 is: 411,922.84
Step by Step Solution
- Step 1: Write the proportion equation
558,635.97 : 838,369.67 = 274,479.06 : x - Step 2: Convert to fraction form
558,635.97/838,369.67 = 274,479.06/x - Step 3: Cross multiply
558,635.97x = 838,369.67 × 274,479.06 - Step 4: Simplify right side
558,635.97x = 230,114,917,581.72 - Step 5: Solve for x
x = 230,114,917,581.72/558,635.97 - Step 6: Final answer
x = 411,922.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.