Finding the Fourth Proportional to 536,633.08, 803,620.97 and 394,140.44
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Solution
The fourth proportional to 536,633.08, 803,620.97 and 394,140.44 is: 590,234.81
Step by Step Solution
- Step 1: Write the proportion equation
536,633.08 : 803,620.97 = 394,140.44 : x - Step 2: Convert to fraction form
536,633.08/803,620.97 = 394,140.44/x - Step 3: Cross multiply
536,633.08x = 803,620.97 × 394,140.44 - Step 4: Simplify right side
536,633.08x = 316,739,522,709.03 - Step 5: Solve for x
x = 316,739,522,709.03/536,633.08 - Step 6: Final answer
x = 590,234.81
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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.