Finding the Fourth Proportional to 532,433.69, 734,788.26 and 290,738.70
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Solution
The fourth proportional to 532,433.69, 734,788.26 and 290,738.70 is: 401,235.66
Step by Step Solution
- Step 1: Write the proportion equation
532,433.69 : 734,788.26 = 290,738.70 : x - Step 2: Convert to fraction form
532,433.69/734,788.26 = 290,738.70/x - Step 3: Cross multiply
532,433.69x = 734,788.26 × 290,738.70 - Step 4: Simplify right side
532,433.69x = 213,631,383,487.66 - Step 5: Solve for x
x = 213,631,383,487.66/532,433.69 - Step 6: Final answer
x = 401,235.66
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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.