Finding the Fourth Proportional to 955,193.76, 1,318,021.20 and 552,708
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Solution
The fourth proportional to 955,193.76, 1,318,021.20 and 552,708 is: 762,652.45
Step by Step Solution
- Step 1: Write the proportion equation
955,193.76 : 1,318,021.20 = 552,708 : x - Step 2: Convert to fraction form
955,193.76/1,318,021.20 = 552,708/x - Step 3: Cross multiply
955,193.76x = 1,318,021.20 × 552,708 - Step 4: Simplify right side
955,193.76x = 728,480,861,409.60 - Step 5: Solve for x
x = 728,480,861,409.60/955,193.76 - Step 6: Final answer
x = 762,652.45
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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.