Finding the Fourth Proportional to 838,318.28, 1,156,879.26 and 456,347.84
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Solution
The fourth proportional to 838,318.28, 1,156,879.26 and 456,347.84 is: 629,760.04
Step by Step Solution
- Step 1: Write the proportion equation
838,318.28 : 1,156,879.26 = 456,347.84 : x - Step 2: Convert to fraction form
838,318.28/1,156,879.26 = 456,347.84/x - Step 3: Cross multiply
838,318.28x = 1,156,879.26 × 456,347.84 - Step 4: Simplify right side
838,318.28x = 527,939,351,441.80 - Step 5: Solve for x
x = 527,939,351,441.80/838,318.28 - Step 6: Final answer
x = 629,760.04
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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.