Finding the Fourth Proportional to 947,615.11, 1,307,708.97 and 517,895.12
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Solution
The fourth proportional to 947,615.11, 1,307,708.97 and 517,895.12 is: 714,695.33
Step by Step Solution
- Step 1: Write the proportion equation
947,615.11 : 1,307,708.97 = 517,895.12 : x - Step 2: Convert to fraction form
947,615.11/1,307,708.97 = 517,895.12/x - Step 3: Cross multiply
947,615.11x = 1,307,708.97 × 517,895.12 - Step 4: Simplify right side
947,615.11x = 677,256,093,943.23 - Step 5: Solve for x
x = 677,256,093,943.23/947,615.11 - Step 6: Final answer
x = 714,695.33
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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.