Finding the Fourth Proportional to 711,756.18, 982,194.26 and 425,434.14
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Solution
The fourth proportional to 711,756.18, 982,194.26 and 425,434.14 is: 587,081.62
Step by Step Solution
- Step 1: Write the proportion equation
711,756.18 : 982,194.26 = 425,434.14 : x - Step 2: Convert to fraction form
711,756.18/982,194.26 = 425,434.14/x - Step 3: Cross multiply
711,756.18x = 982,194.26 × 425,434.14 - Step 4: Simplify right side
711,756.18x = 417,858,968,188.87 - Step 5: Solve for x
x = 417,858,968,188.87/711,756.18 - Step 6: Final answer
x = 587,081.62
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1.5x scale
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.