Finding the Fourth Proportional to 857,530.08, 1,286,489.52 and 296,569.44
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Solution
The fourth proportional to 857,530.08, 1,286,489.52 and 296,569.44 is: 444,921.39
Step by Step Solution
- Step 1: Write the proportion equation
857,530.08 : 1,286,489.52 = 296,569.44 : x - Step 2: Convert to fraction form
857,530.08/1,286,489.52 = 296,569.44/x - Step 3: Cross multiply
857,530.08x = 1,286,489.52 × 296,569.44 - Step 4: Simplify right side
857,530.08x = 381,533,476,512.27 - Step 5: Solve for x
x = 381,533,476,512.27/857,530.08 - Step 6: Final answer
x = 444,921.39
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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.