Finding the Fourth Proportional to 521,414.26, 719,551.68 and 282,950.26
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Solution
The fourth proportional to 521,414.26, 719,551.68 and 282,950.26 is: 390,471.36
Step by Step Solution
- Step 1: Write the proportion equation
521,414.26 : 719,551.68 = 282,950.26 : x - Step 2: Convert to fraction form
521,414.26/719,551.68 = 282,950.26/x - Step 3: Cross multiply
521,414.26x = 719,551.68 × 282,950.26 - Step 4: Simplify right side
521,414.26x = 203,597,334,939.44 - Step 5: Solve for x
x = 203,597,334,939.44/521,414.26 - Step 6: Final answer
x = 390,471.36
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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.