Finding the Fourth Proportional to 940,155.11, 1,297,445.07 and 532,248.63
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Solution
The fourth proportional to 940,155.11, 1,297,445.07 and 532,248.63 is: 734,520.67
Step by Step Solution
- Step 1: Write the proportion equation
940,155.11 : 1,297,445.07 = 532,248.63 : x - Step 2: Convert to fraction form
940,155.11/1,297,445.07 = 532,248.63/x - Step 3: Cross multiply
940,155.11x = 1,297,445.07 × 532,248.63 - Step 4: Simplify right side
940,155.11x = 690,563,361,007.75 - Step 5: Solve for x
x = 690,563,361,007.75/940,155.11 - Step 6: Final answer
x = 734,520.67
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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.