Finding the Fourth Proportional to 838,269.44, 1,156,837.92 and 456,321.68
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Solution
The fourth proportional to 838,269.44, 1,156,837.92 and 456,321.68 is: 629,738.12
Step by Step Solution
- Step 1: Write the proportion equation
838,269.44 : 1,156,837.92 = 456,321.68 : x - Step 2: Convert to fraction form
838,269.44/1,156,837.92 = 456,321.68/x - Step 3: Cross multiply
838,269.44x = 1,156,837.92 × 456,321.68 - Step 4: Simplify right side
838,269.44x = 527,890,223,142.11 - Step 5: Solve for x
x = 527,890,223,142.11/838,269.44 - Step 6: Final answer
x = 629,738.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.