Finding the Fourth Proportional to 528,201.60, 791,427.60 and 449,469.60
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Solution
The fourth proportional to 528,201.60, 791,427.60 and 449,469.60 is: 673,459.99
Step by Step Solution
- Step 1: Write the proportion equation
528,201.60 : 791,427.60 = 449,469.60 : x - Step 2: Convert to fraction form
528,201.60/791,427.60 = 449,469.60/x - Step 3: Cross multiply
528,201.60x = 791,427.60 × 449,469.60 - Step 4: Simplify right side
528,201.60x = 355,722,646,800.96 - Step 5: Solve for x
x = 355,722,646,800.96/528,201.60 - Step 6: Final answer
x = 673,459.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.