Finding the Fourth Proportional to 727,455.18, 1,091,184.80 and 254,140.53
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Solution
The fourth proportional to 727,455.18, 1,091,184.80 and 254,140.53 is: 381,211.50
Step by Step Solution
- Step 1: Write the proportion equation
727,455.18 : 1,091,184.80 = 254,140.53 : x - Step 2: Convert to fraction form
727,455.18/1,091,184.80 = 254,140.53/x - Step 3: Cross multiply
727,455.18x = 1,091,184.80 × 254,140.53 - Step 4: Simplify right side
727,455.18x = 277,314,283,399.94 - Step 5: Solve for x
x = 277,314,283,399.94/727,455.18 - Step 6: Final answer
x = 381,211.50
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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.