Finding the Fourth Proportional to 711,788.64, 982,171.20 and 425,247.84
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Solution
The fourth proportional to 711,788.64, 982,171.20 and 425,247.84 is: 586,783.99
Step by Step Solution
- Step 1: Write the proportion equation
711,788.64 : 982,171.20 = 425,247.84 : x - Step 2: Convert to fraction form
711,788.64/982,171.20 = 425,247.84/x - Step 3: Cross multiply
711,788.64x = 982,171.20 × 425,247.84 - Step 4: Simplify right side
711,788.64x = 417,666,181,310.21 - Step 5: Solve for x
x = 417,666,181,310.21/711,788.64 - Step 6: Final answer
x = 586,783.99
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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.