Finding the Fourth Proportional to 864,862.05, 1,296,240.21 and 612,214.14
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Solution
The fourth proportional to 864,862.05, 1,296,240.21 and 612,214.14 is: 917,575.91
Step by Step Solution
- Step 1: Write the proportion equation
864,862.05 : 1,296,240.21 = 612,214.14 : x - Step 2: Convert to fraction form
864,862.05/1,296,240.21 = 612,214.14/x - Step 3: Cross multiply
864,862.05x = 1,296,240.21 × 612,214.14 - Step 4: Simplify right side
864,862.05x = 793,576,585,398.57 - Step 5: Solve for x
x = 793,576,585,398.57/864,862.05 - Step 6: Final answer
x = 917,575.91
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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.