Finding the Fourth Proportional to 828,845.94, 1,143,805.71 and 466,270.05
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Solution
The fourth proportional to 828,845.94, 1,143,805.71 and 466,270.05 is: 643,451.72
Step by Step Solution
- Step 1: Write the proportion equation
828,845.94 : 1,143,805.71 = 466,270.05 : x - Step 2: Convert to fraction form
828,845.94/1,143,805.71 = 466,270.05/x - Step 3: Cross multiply
828,845.94x = 1,143,805.71 × 466,270.05 - Step 4: Simplify right side
828,845.94x = 533,322,345,591.99 - Step 5: Solve for x
x = 533,322,345,591.99/828,845.94 - Step 6: Final answer
x = 643,451.72
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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.