Finding the Fourth Proportional to 771,446.13, 1,157,077.07 and 202,871.54
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Solution
The fourth proportional to 771,446.13, 1,157,077.07 and 202,871.54 is: 304,283.07
Step by Step Solution
- Step 1: Write the proportion equation
771,446.13 : 1,157,077.07 = 202,871.54 : x - Step 2: Convert to fraction form
771,446.13/1,157,077.07 = 202,871.54/x - Step 3: Cross multiply
771,446.13x = 1,157,077.07 × 202,871.54 - Step 4: Simplify right side
771,446.13x = 234,738,000,289.85 - Step 5: Solve for x
x = 234,738,000,289.85/771,446.13 - Step 6: Final answer
x = 304,283.07
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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.