Finding the Fourth Proportional to 759,309.63, 1,047,802.29 and 419,757.63
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Solution
The fourth proportional to 759,309.63, 1,047,802.29 and 419,757.63 is: 579,240.65
Step by Step Solution
- Step 1: Write the proportion equation
759,309.63 : 1,047,802.29 = 419,757.63 : x - Step 2: Convert to fraction form
759,309.63/1,047,802.29 = 419,757.63/x - Step 3: Cross multiply
759,309.63x = 1,047,802.29 × 419,757.63 - Step 4: Simplify right side
759,309.63x = 439,823,005,958.97 - Step 5: Solve for x
x = 439,823,005,958.97/759,309.63 - Step 6: Final answer
x = 579,240.65
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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.