Finding the Fourth Proportional to 863,044.07, 1,190,513.09 and 540,193.66
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Solution
The fourth proportional to 863,044.07, 1,190,513.09 and 540,193.66 is: 745,161.98
Step by Step Solution
- Step 1: Write the proportion equation
863,044.07 : 1,190,513.09 = 540,193.66 : x - Step 2: Convert to fraction form
863,044.07/1,190,513.09 = 540,193.66/x - Step 3: Cross multiply
863,044.07x = 1,190,513.09 × 540,193.66 - Step 4: Simplify right side
863,044.07x = 643,107,621,739.21 - Step 5: Solve for x
x = 643,107,621,739.21/863,044.07 - Step 6: Final answer
x = 745,161.98
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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.