Finding the Fourth Proportional to 552,367.98, 758,964.42 and 438,993.90
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Solution
The fourth proportional to 552,367.98, 758,964.42 and 438,993.90 is: 603,186.21
Step by Step Solution
- Step 1: Write the proportion equation
552,367.98 : 758,964.42 = 438,993.90 : x - Step 2: Convert to fraction form
552,367.98/758,964.42 = 438,993.90/x - Step 3: Cross multiply
552,367.98x = 758,964.42 × 438,993.90 - Step 4: Simplify right side
552,367.98x = 333,180,750,697.04 - Step 5: Solve for x
x = 333,180,750,697.04/552,367.98 - Step 6: Final answer
x = 603,186.21
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.