Finding the Fourth Proportional to 513,576.79, 769,734.21 and 288,464.02
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Solution
The fourth proportional to 513,576.79, 769,734.21 and 288,464.02 is: 432,341.63
Step by Step Solution
- Step 1: Write the proportion equation
513,576.79 : 769,734.21 = 288,464.02 : x - Step 2: Convert to fraction form
513,576.79/769,734.21 = 288,464.02/x - Step 3: Cross multiply
513,576.79x = 769,734.21 × 288,464.02 - Step 4: Simplify right side
513,576.79x = 222,040,624,548.12 - Step 5: Solve for x
x = 222,040,624,548.12/513,576.79 - Step 6: Final answer
x = 432,341.63
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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.