Finding the Fourth Proportional to 874,941.80, 1,207,576.26 and 512,344.49
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Solution
The fourth proportional to 874,941.80, 1,207,576.26 and 512,344.49 is: 707,127.08
Step by Step Solution
- Step 1: Write the proportion equation
874,941.80 : 1,207,576.26 = 512,344.49 : x - Step 2: Convert to fraction form
874,941.80/1,207,576.26 = 512,344.49/x - Step 3: Cross multiply
874,941.80x = 1,207,576.26 × 512,344.49 - Step 4: Simplify right side
874,941.80x = 618,695,043,065.81 - Step 5: Solve for x
x = 618,695,043,065.81/874,941.80 - Step 6: Final answer
x = 707,127.08
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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.