Finding the Fourth Proportional to 802,129.40, 1,202,805.30 and 446,766.20
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Solution
The fourth proportional to 802,129.40, 1,202,805.30 and 446,766.20 is: 669,932.75
Step by Step Solution
- Step 1: Write the proportion equation
802,129.40 : 1,202,805.30 = 446,766.20 : x - Step 2: Convert to fraction form
802,129.40/1,202,805.30 = 446,766.20/x - Step 3: Cross multiply
802,129.40x = 1,202,805.30 × 446,766.20 - Step 4: Simplify right side
802,129.40x = 537,372,753,220.86 - Step 5: Solve for x
x = 537,372,753,220.86/802,129.40 - Step 6: Final answer
x = 669,932.75
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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.