Finding the Fourth Proportional to 859,566.76, 1,289,392.97 and 327,129.06
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Solution
The fourth proportional to 859,566.76, 1,289,392.97 and 327,129.06 is: 490,709.89
Step by Step Solution
- Step 1: Write the proportion equation
859,566.76 : 1,289,392.97 = 327,129.06 : x - Step 2: Convert to fraction form
859,566.76/1,289,392.97 = 327,129.06/x - Step 3: Cross multiply
859,566.76x = 1,289,392.97 × 327,129.06 - Step 4: Simplify right side
859,566.76x = 421,797,910,246.71 - Step 5: Solve for x
x = 421,797,910,246.71/859,566.76 - Step 6: Final answer
x = 490,709.89
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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.