Finding the Fourth Proportional to 910,795.69, 1,364,366.17 and 836,389.09
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Solution
The fourth proportional to 910,795.69, 1,364,366.17 and 836,389.09 is: 1,252,905.55
Step by Step Solution
- Step 1: Write the proportion equation
910,795.69 : 1,364,366.17 = 836,389.09 : x - Step 2: Convert to fraction form
910,795.69/1,364,366.17 = 836,389.09/x - Step 3: Cross multiply
910,795.69x = 1,364,366.17 × 836,389.09 - Step 4: Simplify right side
910,795.69x = 1,141,140,979,353.09 - Step 5: Solve for x
x = 1,141,140,979,353.09/910,795.69 - Step 6: Final answer
x = 1,252,905.55
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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.