Finding the Fourth Proportional to 734,907.72, 1,014,138.39 and 408,241.91
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Solution
The fourth proportional to 734,907.72, 1,014,138.39 and 408,241.91 is: 563,354.79
Step by Step Solution
- Step 1: Write the proportion equation
734,907.72 : 1,014,138.39 = 408,241.91 : x - Step 2: Convert to fraction form
734,907.72/1,014,138.39 = 408,241.91/x - Step 3: Cross multiply
734,907.72x = 1,014,138.39 × 408,241.91 - Step 4: Simplify right side
734,907.72x = 414,013,786,226.02 - Step 5: Solve for x
x = 414,013,786,226.02/734,907.72 - Step 6: Final answer
x = 563,354.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.