Finding the Fourth Proportional to 838,232.46, 1,156,728.69 and 475,634.70
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Solution
The fourth proportional to 838,232.46, 1,156,728.69 and 475,634.70 is: 656,357.67
Step by Step Solution
- Step 1: Write the proportion equation
838,232.46 : 1,156,728.69 = 475,634.70 : x - Step 2: Convert to fraction form
838,232.46/1,156,728.69 = 475,634.70/x - Step 3: Cross multiply
838,232.46x = 1,156,728.69 × 475,634.70 - Step 4: Simplify right side
838,232.46x = 550,180,303,449.54 - Step 5: Solve for x
x = 550,180,303,449.54/838,232.46 - Step 6: Final answer
x = 656,357.67
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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.