Finding the Fourth Proportional to 774,159.26, 1,068,407.15 and 430,062.12
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Solution
The fourth proportional to 774,159.26, 1,068,407.15 and 430,062.12 is: 593,523.15
Step by Step Solution
- Step 1: Write the proportion equation
774,159.26 : 1,068,407.15 = 430,062.12 : x - Step 2: Convert to fraction form
774,159.26/1,068,407.15 = 430,062.12/x - Step 3: Cross multiply
774,159.26x = 1,068,407.15 × 430,062.12 - Step 4: Simplify right side
774,159.26x = 459,481,441,801.85 - Step 5: Solve for x
x = 459,481,441,801.85/774,159.26 - Step 6: Final answer
x = 593,523.15
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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.