Finding the Fourth Proportional to 543,781.04, 750,438.88 and 302,081.92
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Solution
The fourth proportional to 543,781.04, 750,438.88 and 302,081.92 is: 416,884.74
Step by Step Solution
- Step 1: Write the proportion equation
543,781.04 : 750,438.88 = 302,081.92 : x - Step 2: Convert to fraction form
543,781.04/750,438.88 = 302,081.92/x - Step 3: Cross multiply
543,781.04x = 750,438.88 × 302,081.92 - Step 4: Simplify right side
543,781.04x = 226,694,017,713.05 - Step 5: Solve for x
x = 226,694,017,713.05/543,781.04 - Step 6: Final answer
x = 416,884.74
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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.