Finding the Fourth Proportional to 705,968.71, 1,059,387.68 and 279,431.92
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Solution
The fourth proportional to 705,968.71, 1,059,387.68 and 279,431.92 is: 419,319.91
Step by Step Solution
- Step 1: Write the proportion equation
705,968.71 : 1,059,387.68 = 279,431.92 : x - Step 2: Convert to fraction form
705,968.71/1,059,387.68 = 279,431.92/x - Step 3: Cross multiply
705,968.71x = 1,059,387.68 × 279,431.92 - Step 4: Simplify right side
705,968.71x = 296,026,733,446.75 - Step 5: Solve for x
x = 296,026,733,446.75/705,968.71 - Step 6: Final answer
x = 419,319.91
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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.