Finding the Fourth Proportional to 864,109.30, 1,296,163.95 and 727,251.70
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Solution
The fourth proportional to 864,109.30, 1,296,163.95 and 727,251.70 is: 1,090,877.55
Step by Step Solution
- Step 1: Write the proportion equation
864,109.30 : 1,296,163.95 = 727,251.70 : x - Step 2: Convert to fraction form
864,109.30/1,296,163.95 = 727,251.70/x - Step 3: Cross multiply
864,109.30x = 1,296,163.95 × 727,251.70 - Step 4: Simplify right side
864,109.30x = 942,637,436,116.22 - Step 5: Solve for x
x = 942,637,436,116.22/864,109.30 - Step 6: Final answer
x = 1,090,877.55
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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.