Finding the Fourth Proportional to 894,141.94, 1,233,898.77 and 491,733.94
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Solution
The fourth proportional to 894,141.94, 1,233,898.77 and 491,733.94 is: 678,583.43
Step by Step Solution
- Step 1: Write the proportion equation
894,141.94 : 1,233,898.77 = 491,733.94 : x - Step 2: Convert to fraction form
894,141.94/1,233,898.77 = 491,733.94/x - Step 3: Cross multiply
894,141.94x = 1,233,898.77 × 491,733.94 - Step 4: Simplify right side
894,141.94x = 606,749,903,733.25 - Step 5: Solve for x
x = 606,749,903,733.25/894,141.94 - Step 6: Final answer
x = 678,583.43
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1.5x scale
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.