Finding the Fourth Proportional to 867,889.82, 1,197,680.08 and 485,922.98
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Solution
The fourth proportional to 867,889.82, 1,197,680.08 and 485,922.98 is: 670,569.31
Step by Step Solution
- Step 1: Write the proportion equation
867,889.82 : 1,197,680.08 = 485,922.98 : x - Step 2: Convert to fraction form
867,889.82/1,197,680.08 = 485,922.98/x - Step 3: Cross multiply
867,889.82x = 1,197,680.08 × 485,922.98 - Step 4: Simplify right side
867,889.82x = 581,980,273,560.24 - Step 5: Solve for x
x = 581,980,273,560.24/867,889.82 - Step 6: Final answer
x = 670,569.31
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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.