Finding the Fourth Proportional to 645,474.24, 967,325.58 and 408,392.51
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Solution
The fourth proportional to 645,474.24, 967,325.58 and 408,392.51 is: 612,028.32
Step by Step Solution
- Step 1: Write the proportion equation
645,474.24 : 967,325.58 = 408,392.51 : x - Step 2: Convert to fraction form
645,474.24/967,325.58 = 408,392.51/x - Step 3: Cross multiply
645,474.24x = 967,325.58 × 408,392.51 - Step 4: Simplify right side
645,474.24x = 395,048,516,766.78 - Step 5: Solve for x
x = 395,048,516,766.78/645,474.24 - Step 6: Final answer
x = 612,028.32
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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.