Finding the Fourth Proportional to 645,890.87, 968,838.91 and 261,646.99
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Solution
The fourth proportional to 645,890.87, 968,838.91 and 261,646.99 is: 392,471.54
Step by Step Solution
- Step 1: Write the proportion equation
645,890.87 : 968,838.91 = 261,646.99 : x - Step 2: Convert to fraction form
645,890.87/968,838.91 = 261,646.99/x - Step 3: Cross multiply
645,890.87x = 968,838.91 × 261,646.99 - Step 4: Simplify right side
645,890.87x = 253,493,784,596.38 - Step 5: Solve for x
x = 253,493,784,596.38/645,890.87 - Step 6: Final answer
x = 392,471.54
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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.