Finding the Fourth Proportional to 663,460.36, 994,601.16 and 258,558.88
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Solution
The fourth proportional to 663,460.36, 994,601.16 and 258,558.88 is: 387,608.63
Step by Step Solution
- Step 1: Write the proportion equation
663,460.36 : 994,601.16 = 258,558.88 : x - Step 2: Convert to fraction form
663,460.36/994,601.16 = 258,558.88/x - Step 3: Cross multiply
663,460.36x = 994,601.16 × 258,558.88 - Step 4: Simplify right side
663,460.36x = 257,162,961,976.30 - Step 5: Solve for x
x = 257,162,961,976.30/663,460.36 - Step 6: Final answer
x = 387,608.63
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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.