Finding the Fourth Proportional to 840,873.82, 1,261,704.40 and 367,497.67
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Solution
The fourth proportional to 840,873.82, 1,261,704.40 and 367,497.67 is: 551,418.55
Step by Step Solution
- Step 1: Write the proportion equation
840,873.82 : 1,261,704.40 = 367,497.67 : x - Step 2: Convert to fraction form
840,873.82/1,261,704.40 = 367,497.67/x - Step 3: Cross multiply
840,873.82x = 1,261,704.40 × 367,497.67 - Step 4: Simplify right side
840,873.82x = 463,673,425,391.26 - Step 5: Solve for x
x = 463,673,425,391.26/840,873.82 - Step 6: Final answer
x = 551,418.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.