Finding the Fourth Proportional to 774,277.40, 1,068,473.09 and 430,134.96
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Solution
The fourth proportional to 774,277.40, 1,068,473.09 and 430,134.96 is: 593,569.74
Step by Step Solution
- Step 1: Write the proportion equation
774,277.40 : 1,068,473.09 = 430,134.96 : x - Step 2: Convert to fraction form
774,277.40/1,068,473.09 = 430,134.96/x - Step 3: Cross multiply
774,277.40x = 1,068,473.09 × 430,134.96 - Step 4: Simplify right side
774,277.40x = 459,587,629,828.23 - Step 5: Solve for x
x = 459,587,629,828.23/774,277.40 - Step 6: Final answer
x = 593,569.74
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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.