Finding the Fourth Proportional to 850,644.99, 1,275,533.73 and 281,820.87
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Solution
The fourth proportional to 850,644.99, 1,275,533.73 and 281,820.87 is: 422,587.60
Step by Step Solution
- Step 1: Write the proportion equation
850,644.99 : 1,275,533.73 = 281,820.87 : x - Step 2: Convert to fraction form
850,644.99/1,275,533.73 = 281,820.87/x - Step 3: Cross multiply
850,644.99x = 1,275,533.73 × 281,820.87 - Step 4: Simplify right side
850,644.99x = 359,472,025,502.95 - Step 5: Solve for x
x = 359,472,025,502.95/850,644.99 - Step 6: Final answer
x = 422,587.60
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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.