Finding the Fourth Proportional to 702,168.40, 1,052,561.40 and 347,237.20
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Solution
The fourth proportional to 702,168.40, 1,052,561.40 and 347,237.20 is: 520,513.99
Step by Step Solution
- Step 1: Write the proportion equation
702,168.40 : 1,052,561.40 = 347,237.20 : x - Step 2: Convert to fraction form
702,168.40/1,052,561.40 = 347,237.20/x - Step 3: Cross multiply
702,168.40x = 1,052,561.40 × 347,237.20 - Step 4: Simplify right side
702,168.40x = 365,488,473,364.08 - Step 5: Solve for x
x = 365,488,473,364.08/702,168.40 - Step 6: Final answer
x = 520,513.99
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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.