Finding the Fourth Proportional to 545,006.75, 751,630.73 and 381,579.53
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Solution
The fourth proportional to 545,006.75, 751,630.73 and 381,579.53 is: 526,244.67
Step by Step Solution
- Step 1: Write the proportion equation
545,006.75 : 751,630.73 = 381,579.53 : x - Step 2: Convert to fraction form
545,006.75/751,630.73 = 381,579.53/x - Step 3: Cross multiply
545,006.75x = 751,630.73 × 381,579.53 - Step 4: Simplify right side
545,006.75x = 286,806,895,020.91 - Step 5: Solve for x
x = 286,806,895,020.91/545,006.75 - Step 6: Final answer
x = 526,244.67
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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.