Finding the Fourth Proportional to 644,571.24, 966,524.86 and 289,280.68
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Solution
The fourth proportional to 644,571.24, 966,524.86 and 289,280.68 is: 433,772.02
Step by Step Solution
- Step 1: Write the proportion equation
644,571.24 : 966,524.86 = 289,280.68 : x - Step 2: Convert to fraction form
644,571.24/966,524.86 = 289,280.68/x - Step 3: Cross multiply
644,571.24x = 966,524.86 × 289,280.68 - Step 4: Simplify right side
644,571.24x = 279,596,968,737.71 - Step 5: Solve for x
x = 279,596,968,737.71/644,571.24 - Step 6: Final answer
x = 433,772.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.