Finding the Fourth Proportional to 532,431.72, 734,759.36 and 290,715.98
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Solution
The fourth proportional to 532,431.72, 734,759.36 and 290,715.98 is: 401,190.00
Step by Step Solution
- Step 1: Write the proportion equation
532,431.72 : 734,759.36 = 290,715.98 : x - Step 2: Convert to fraction form
532,431.72/734,759.36 = 290,715.98/x - Step 3: Cross multiply
532,431.72x = 734,759.36 × 290,715.98 - Step 4: Simplify right side
532,431.72x = 213,606,282,279.20 - Step 5: Solve for x
x = 213,606,282,279.20/532,431.72 - Step 6: Final answer
x = 401,190.00
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1.5x scale
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.