Finding the Fourth Proportional to 919,832.40, 1,269,366.84 and 517,424.40
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Solution
The fourth proportional to 919,832.40, 1,269,366.84 and 517,424.40 is: 714,044.62
Step by Step Solution
- Step 1: Write the proportion equation
919,832.40 : 1,269,366.84 = 517,424.40 : x - Step 2: Convert to fraction form
919,832.40/1,269,366.84 = 517,424.40/x - Step 3: Cross multiply
919,832.40x = 1,269,366.84 × 517,424.40 - Step 4: Simplify right side
919,832.40x = 656,801,375,566.90 - Step 5: Solve for x
x = 656,801,375,566.90/919,832.40 - Step 6: Final answer
x = 714,044.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.