Finding the Fourth Proportional to 701,808.21, 968,495.74 and 379,518.29
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Solution
The fourth proportional to 701,808.21, 968,495.74 and 379,518.29 is: 523,735.45
Step by Step Solution
- Step 1: Write the proportion equation
701,808.21 : 968,495.74 = 379,518.29 : x - Step 2: Convert to fraction form
701,808.21/968,495.74 = 379,518.29/x - Step 3: Cross multiply
701,808.21x = 968,495.74 × 379,518.29 - Step 4: Simplify right side
701,808.21x = 367,561,841,325.81 - Step 5: Solve for x
x = 367,561,841,325.81/701,808.21 - Step 6: Final answer
x = 523,735.45
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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.