Finding the Fourth Proportional to 684,742.43, 1,026,912.97 and 257,970.35
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Solution
The fourth proportional to 684,742.43, 1,026,912.97 and 257,970.35 is: 386,879.92
Step by Step Solution
- Step 1: Write the proportion equation
684,742.43 : 1,026,912.97 = 257,970.35 : x - Step 2: Convert to fraction form
684,742.43/1,026,912.97 = 257,970.35/x - Step 3: Cross multiply
684,742.43x = 1,026,912.97 × 257,970.35 - Step 4: Simplify right side
684,742.43x = 264,913,098,290.44 - Step 5: Solve for x
x = 264,913,098,290.44/684,742.43 - Step 6: Final answer
x = 386,879.92
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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.