Finding the Fourth Proportional to 819,564.63, 1,229,252.37 and 220,478.70
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Solution
The fourth proportional to 819,564.63, 1,229,252.37 and 220,478.70 is: 330,692.61
Step by Step Solution
- Step 1: Write the proportion equation
819,564.63 : 1,229,252.37 = 220,478.70 : x - Step 2: Convert to fraction form
819,564.63/1,229,252.37 = 220,478.70/x - Step 3: Cross multiply
819,564.63x = 1,229,252.37 × 220,478.70 - Step 4: Simplify right side
819,564.63x = 271,023,963,407.13 - Step 5: Solve for x
x = 271,023,963,407.13/819,564.63 - Step 6: Final answer
x = 330,692.61
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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.