Finding the Fourth Proportional to 757,622.85, 1,135,056.06 and 441,120.21
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Solution
The fourth proportional to 757,622.85, 1,135,056.06 and 441,120.21 is: 660,877.86
Step by Step Solution
- Step 1: Write the proportion equation
757,622.85 : 1,135,056.06 = 441,120.21 : x - Step 2: Convert to fraction form
757,622.85/1,135,056.06 = 441,120.21/x - Step 3: Cross multiply
757,622.85x = 1,135,056.06 × 441,120.21 - Step 4: Simplify right side
757,622.85x = 500,696,167,548.97 - Step 5: Solve for x
x = 500,696,167,548.97/757,622.85 - Step 6: Final answer
x = 660,877.86
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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.