Finding the Fourth Proportional to 559,211.44, 771,687.88 and 304,563.28
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Solution
The fourth proportional to 559,211.44, 771,687.88 and 304,563.28 is: 420,284.31
Step by Step Solution
- Step 1: Write the proportion equation
559,211.44 : 771,687.88 = 304,563.28 : x - Step 2: Convert to fraction form
559,211.44/771,687.88 = 304,563.28/x - Step 3: Cross multiply
559,211.44x = 771,687.88 × 304,563.28 - Step 4: Simplify right side
559,211.44x = 235,027,791,869.05 - Step 5: Solve for x
x = 235,027,791,869.05/559,211.44 - Step 6: Final answer
x = 420,284.31
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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.