Finding the Fourth Proportional to 821,794.24, 1,134,054.96 and 459,221.09
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Solution
The fourth proportional to 821,794.24, 1,134,054.96 and 459,221.09 is: 633,713.32
Step by Step Solution
- Step 1: Write the proportion equation
821,794.24 : 1,134,054.96 = 459,221.09 : x - Step 2: Convert to fraction form
821,794.24/1,134,054.96 = 459,221.09/x - Step 3: Cross multiply
821,794.24x = 1,134,054.96 × 459,221.09 - Step 4: Simplify right side
821,794.24x = 520,781,954,851.11 - Step 5: Solve for x
x = 520,781,954,851.11/821,794.24 - Step 6: Final answer
x = 633,713.32
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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.