Finding the Fourth Proportional to 711,046.36, 1,066,071.55 and 261,708.99
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Solution
The fourth proportional to 711,046.36, 1,066,071.55 and 261,708.99 is: 392,380.19
Step by Step Solution
- Step 1: Write the proportion equation
711,046.36 : 1,066,071.55 = 261,708.99 : x - Step 2: Convert to fraction form
711,046.36/1,066,071.55 = 261,708.99/x - Step 3: Cross multiply
711,046.36x = 1,066,071.55 × 261,708.99 - Step 4: Simplify right side
711,046.36x = 279,000,508,618.24 - Step 5: Solve for x
x = 279,000,508,618.24/711,046.36 - Step 6: Final answer
x = 392,380.19
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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.