Finding the Fourth Proportional to 864,497.03, 1,296,630.69 and 257,274.45
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Solution
The fourth proportional to 864,497.03, 1,296,630.69 and 257,274.45 is: 385,877.50
Step by Step Solution
- Step 1: Write the proportion equation
864,497.03 : 1,296,630.69 = 257,274.45 : x - Step 2: Convert to fraction form
864,497.03/1,296,630.69 = 257,274.45/x - Step 3: Cross multiply
864,497.03x = 1,296,630.69 × 257,274.45 - Step 4: Simplify right side
864,497.03x = 333,589,947,622.87 - Step 5: Solve for x
x = 333,589,947,622.87/864,497.03 - Step 6: Final answer
x = 385,877.50
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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.