Finding the Fourth Proportional to 691,376.48, 1,036,352.46 and 264,795.92
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Solution
The fourth proportional to 691,376.48, 1,036,352.46 and 264,795.92 is: 396,921.09
Step by Step Solution
- Step 1: Write the proportion equation
691,376.48 : 1,036,352.46 = 264,795.92 : x - Step 2: Convert to fraction form
691,376.48/1,036,352.46 = 264,795.92/x - Step 3: Cross multiply
691,376.48x = 1,036,352.46 × 264,795.92 - Step 4: Simplify right side
691,376.48x = 274,421,903,089.96 - Step 5: Solve for x
x = 274,421,903,089.96/691,376.48 - Step 6: Final answer
x = 396,921.09
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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.