Finding the Fourth Proportional to 867,552.28, 1,197,221.88 and 485,578.96
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Solution
The fourth proportional to 867,552.28, 1,197,221.88 and 485,578.96 is: 670,098.82
Step by Step Solution
- Step 1: Write the proportion equation
867,552.28 : 1,197,221.88 = 485,578.96 : x - Step 2: Convert to fraction form
867,552.28/1,197,221.88 = 485,578.96/x - Step 3: Cross multiply
867,552.28x = 1,197,221.88 × 485,578.96 - Step 4: Simplify right side
867,552.28x = 581,345,755,379.65 - Step 5: Solve for x
x = 581,345,755,379.65/867,552.28 - Step 6: Final answer
x = 670,098.82
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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.