Finding the Fourth Proportional to 959,074.21, 1,323,428.11 and 529,326.63
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Solution
The fourth proportional to 959,074.21, 1,323,428.11 and 529,326.63 is: 730,418.70
Step by Step Solution
- Step 1: Write the proportion equation
959,074.21 : 1,323,428.11 = 529,326.63 : x - Step 2: Convert to fraction form
959,074.21/1,323,428.11 = 529,326.63/x - Step 3: Cross multiply
959,074.21x = 1,323,428.11 × 529,326.63 - Step 4: Simplify right side
959,074.21x = 700,525,741,513.57 - Step 5: Solve for x
x = 700,525,741,513.57/959,074.21 - Step 6: Final answer
x = 730,418.70
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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.