Finding the Fourth Proportional to 831,905.97, 1,247,996.85 and 292,022.21
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Solution
The fourth proportional to 831,905.97, 1,247,996.85 and 292,022.21 is: 438,081.72
Step by Step Solution
- Step 1: Write the proportion equation
831,905.97 : 1,247,996.85 = 292,022.21 : x - Step 2: Convert to fraction form
831,905.97/1,247,996.85 = 292,022.21/x - Step 3: Cross multiply
831,905.97x = 1,247,996.85 × 292,022.21 - Step 4: Simplify right side
831,905.97x = 364,442,799,537.58 - Step 5: Solve for x
x = 364,442,799,537.58/831,905.97 - Step 6: Final answer
x = 438,081.72
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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.