Finding the Fourth Proportional to 711,757.18, 982,195.63 and 425,435.14
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Solution
The fourth proportional to 711,757.18, 982,195.63 and 425,435.14 is: 587,082.99
Step by Step Solution
- Step 1: Write the proportion equation
711,757.18 : 982,195.63 = 425,435.14 : x - Step 2: Convert to fraction form
711,757.18/982,195.63 = 425,435.14/x - Step 3: Cross multiply
711,757.18x = 982,195.63 × 425,435.14 - Step 4: Simplify right side
711,757.18x = 417,860,535,356.44 - Step 5: Solve for x
x = 417,860,535,356.44/711,757.18 - Step 6: Final answer
x = 587,082.99
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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.