Finding the Fourth Proportional to 634,495.70, 875,302.26 and 379,797.68
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Solution
The fourth proportional to 634,495.70, 875,302.26 and 379,797.68 is: 523,940.14
Step by Step Solution
- Step 1: Write the proportion equation
634,495.70 : 875,302.26 = 379,797.68 : x - Step 2: Convert to fraction form
634,495.70/875,302.26 = 379,797.68/x - Step 3: Cross multiply
634,495.70x = 875,302.26 × 379,797.68 - Step 4: Simplify right side
634,495.70x = 332,437,767,646.76 - Step 5: Solve for x
x = 332,437,767,646.76/634,495.70 - Step 6: Final answer
x = 523,940.14
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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.