Finding the Fourth Proportional to 413,976.52, 620,835.18 and 274,475.08
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Solution
The fourth proportional to 413,976.52, 620,835.18 and 274,475.08 is: 411,626.69
Step by Step Solution
- Step 1: Write the proportion equation
413,976.52 : 620,835.18 = 274,475.08 : x - Step 2: Convert to fraction form
413,976.52/620,835.18 = 274,475.08/x - Step 3: Cross multiply
413,976.52x = 620,835.18 × 274,475.08 - Step 4: Simplify right side
413,976.52x = 170,403,785,697.31 - Step 5: Solve for x
x = 170,403,785,697.31/413,976.52 - Step 6: Final answer
x = 411,626.69
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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.