Finding the Fourth Proportional to 708,193.66, 1,062,287.61 and 287,465.98
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Solution
The fourth proportional to 708,193.66, 1,062,287.61 and 287,465.98 is: 431,197.80
Step by Step Solution
- Step 1: Write the proportion equation
708,193.66 : 1,062,287.61 = 287,465.98 : x - Step 2: Convert to fraction form
708,193.66/1,062,287.61 = 287,465.98/x - Step 3: Cross multiply
708,193.66x = 1,062,287.61 × 287,465.98 - Step 4: Simplify right side
708,193.66x = 305,371,548,850.51 - Step 5: Solve for x
x = 305,371,548,850.51/708,193.66 - Step 6: Final answer
x = 431,197.80
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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.