Finding the Fourth Proportional to 868,628.73, 1,302,622.86 and 299,865.09
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Solution
The fourth proportional to 868,628.73, 1,302,622.86 and 299,865.09 is: 449,687.08
Step by Step Solution
- Step 1: Write the proportion equation
868,628.73 : 1,302,622.86 = 299,865.09 : x - Step 2: Convert to fraction form
868,628.73/1,302,622.86 = 299,865.09/x - Step 3: Cross multiply
868,628.73x = 1,302,622.86 × 299,865.09 - Step 4: Simplify right side
868,628.73x = 390,611,121,149.96 - Step 5: Solve for x
x = 390,611,121,149.96/868,628.73 - Step 6: Final answer
x = 449,687.08
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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.