Finding the Fourth Proportional to 742,629.16, 1,113,114.30 and 682,844.68
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Solution
The fourth proportional to 742,629.16, 1,113,114.30 and 682,844.68 is: 1,023,504.35
Step by Step Solution
- Step 1: Write the proportion equation
742,629.16 : 1,113,114.30 = 682,844.68 : x - Step 2: Convert to fraction form
742,629.16/1,113,114.30 = 682,844.68/x - Step 3: Cross multiply
742,629.16x = 1,113,114.30 × 682,844.68 - Step 4: Simplify right side
742,629.16x = 760,084,177,986.92 - Step 5: Solve for x
x = 760,084,177,986.92/742,629.16 - Step 6: Final answer
x = 1,023,504.35
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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.