Finding the Fourth Proportional to 835,408.65, 1,252,912.26 and 385,697.66
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Solution
The fourth proportional to 835,408.65, 1,252,912.26 and 385,697.66 is: 578,453.82
Step by Step Solution
- Step 1: Write the proportion equation
835,408.65 : 1,252,912.26 = 385,697.66 : x - Step 2: Convert to fraction form
835,408.65/1,252,912.26 = 385,697.66/x - Step 3: Cross multiply
835,408.65x = 1,252,912.26 × 385,697.66 - Step 4: Simplify right side
835,408.65x = 483,245,326,867.31 - Step 5: Solve for x
x = 483,245,326,867.31/835,408.65 - Step 6: Final answer
x = 578,453.82
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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.