Finding the Fourth Proportional to 942,675.91, 1,414,235.34 and 311,589.73
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Solution
The fourth proportional to 942,675.91, 1,414,235.34 and 311,589.73 is: 467,457.80
Step by Step Solution
- Step 1: Write the proportion equation
942,675.91 : 1,414,235.34 = 311,589.73 : x - Step 2: Convert to fraction form
942,675.91/1,414,235.34 = 311,589.73/x - Step 3: Cross multiply
942,675.91x = 1,414,235.34 × 311,589.73 - Step 4: Simplify right side
942,675.91x = 440,661,207,747.06 - Step 5: Solve for x
x = 440,661,207,747.06/942,675.91 - Step 6: Final answer
x = 467,457.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.