Finding the Fourth Proportional to 1,021,268.28, 1,409,352.30 and 568,575.48
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Solution
The fourth proportional to 1,021,268.28, 1,409,352.30 and 568,575.48 is: 784,635.32
Step by Step Solution
- Step 1: Write the proportion equation
1,021,268.28 : 1,409,352.30 = 568,575.48 : x - Step 2: Convert to fraction form
1,021,268.28/1,409,352.30 = 568,575.48/x - Step 3: Cross multiply
1,021,268.28x = 1,409,352.30 × 568,575.48 - Step 4: Simplify right side
1,021,268.28x = 801,323,160,461.60 - Step 5: Solve for x
x = 801,323,160,461.60/1,021,268.28 - Step 6: Final answer
x = 784,635.32
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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.