Finding the Fourth Proportional to 798,138.90, 1,197,218.88 and 265,660.02
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Solution
The fourth proportional to 798,138.90, 1,197,218.88 and 265,660.02 is: 398,493.53
Step by Step Solution
- Step 1: Write the proportion equation
798,138.90 : 1,197,218.88 = 265,660.02 : x - Step 2: Convert to fraction form
798,138.90/1,197,218.88 = 265,660.02/x - Step 3: Cross multiply
798,138.90x = 1,197,218.88 × 265,660.02 - Step 4: Simplify right side
798,138.90x = 318,053,191,605.18 - Step 5: Solve for x
x = 318,053,191,605.18/798,138.90 - Step 6: Final answer
x = 398,493.53
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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.