Finding the Fourth Proportional to 1,318,604.84, 1,977,252.84 and 419,929.40
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Solution
The fourth proportional to 1,318,604.84, 1,977,252.84 and 419,929.40 is: 629,685.69
Step by Step Solution
- Step 1: Write the proportion equation
1,318,604.84 : 1,977,252.84 = 419,929.40 : x - Step 2: Convert to fraction form
1,318,604.84/1,977,252.84 = 419,929.40/x - Step 3: Cross multiply
1,318,604.84x = 1,977,252.84 × 419,929.40 - Step 4: Simplify right side
1,318,604.84x = 830,306,598,749.50 - Step 5: Solve for x
x = 830,306,598,749.50/1,318,604.84 - Step 6: Final answer
x = 629,685.69
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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.