Finding the Fourth Proportional to 645,891.87, 968,840.41 and 261,647.99
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Solution
The fourth proportional to 645,891.87, 968,840.41 and 261,647.99 is: 392,473.04
Step by Step Solution
- Step 1: Write the proportion equation
645,891.87 : 968,840.41 = 261,647.99 : x - Step 2: Convert to fraction form
645,891.87/968,840.41 = 261,647.99/x - Step 3: Cross multiply
645,891.87x = 968,840.41 × 261,647.99 - Step 4: Simplify right side
645,891.87x = 253,495,145,907.28 - Step 5: Solve for x
x = 253,495,145,907.28/645,891.87 - Step 6: Final answer
x = 392,473.04
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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.