Finding the Fourth Proportional to 448,644.21, 673,281.95 and 405,765.38
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Solution
The fourth proportional to 448,644.21, 673,281.95 and 405,765.38 is: 608,933.53
Step by Step Solution
- Step 1: Write the proportion equation
448,644.21 : 673,281.95 = 405,765.38 : x - Step 2: Convert to fraction form
448,644.21/673,281.95 = 405,765.38/x - Step 3: Cross multiply
448,644.21x = 673,281.95 × 405,765.38 - Step 4: Simplify right side
448,644.21x = 273,194,500,893.65 - Step 5: Solve for x
x = 273,194,500,893.65/448,644.21 - Step 6: Final answer
x = 608,933.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.