Finding the Fourth Proportional to 959,409.12, 1,323,986.60 and 529,690.08
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Solution
The fourth proportional to 959,409.12, 1,323,986.60 and 529,690.08 is: 730,973.42
Step by Step Solution
- Step 1: Write the proportion equation
959,409.12 : 1,323,986.60 = 529,690.08 : x - Step 2: Convert to fraction form
959,409.12/1,323,986.60 = 529,690.08/x - Step 3: Cross multiply
959,409.12x = 1,323,986.60 × 529,690.08 - Step 4: Simplify right side
959,409.12x = 701,302,568,072.93 - Step 5: Solve for x
x = 701,302,568,072.93/959,409.12 - Step 6: Final answer
x = 730,973.42
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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.