Finding the Fourth Proportional to 713,668.47, 1,070,622.70 and 353,857.08
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Solution
The fourth proportional to 713,668.47, 1,070,622.70 and 353,857.08 is: 530,845.12
Step by Step Solution
- Step 1: Write the proportion equation
713,668.47 : 1,070,622.70 = 353,857.08 : x - Step 2: Convert to fraction form
713,668.47/1,070,622.70 = 353,857.08/x - Step 3: Cross multiply
713,668.47x = 1,070,622.70 × 353,857.08 - Step 4: Simplify right side
713,668.47x = 378,847,424,015.60 - Step 5: Solve for x
x = 378,847,424,015.60/713,668.47 - Step 6: Final answer
x = 530,845.12
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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.