Finding the Fourth Proportional to 521,677.26, 719,903.79 and 283,213.26
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Solution
The fourth proportional to 521,677.26, 719,903.79 and 283,213.26 is: 390,828.42
Step by Step Solution
- Step 1: Write the proportion equation
521,677.26 : 719,903.79 = 283,213.26 : x - Step 2: Convert to fraction form
521,677.26/719,903.79 = 283,213.26/x - Step 3: Cross multiply
521,677.26x = 719,903.79 × 283,213.26 - Step 4: Simplify right side
521,677.26x = 203,886,299,252.26 - Step 5: Solve for x
x = 203,886,299,252.26/521,677.26 - Step 6: Final answer
x = 390,828.42
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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.