Finding the Fourth Proportional to 827,873.18, 1,240,770.94 and 354,001.31
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Solution
The fourth proportional to 827,873.18, 1,240,770.94 and 354,001.31 is: 530,557.75
Step by Step Solution
- Step 1: Write the proportion equation
827,873.18 : 1,240,770.94 = 354,001.31 : x - Step 2: Convert to fraction form
827,873.18/1,240,770.94 = 354,001.31/x - Step 3: Cross multiply
827,873.18x = 1,240,770.94 × 354,001.31 - Step 4: Simplify right side
827,873.18x = 439,234,532,244.30 - Step 5: Solve for x
x = 439,234,532,244.30/827,873.18 - Step 6: Final answer
x = 530,557.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.