Finding the Fourth Proportional to 959,135.21, 1,323,606.72 and 529,415.49
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Solution
The fourth proportional to 959,135.21, 1,323,606.72 and 529,415.49 is: 730,593.45
Step by Step Solution
- Step 1: Write the proportion equation
959,135.21 : 1,323,606.72 = 529,415.49 : x - Step 2: Convert to fraction form
959,135.21/1,323,606.72 = 529,415.49/x - Step 3: Cross multiply
959,135.21x = 1,323,606.72 × 529,415.49 - Step 4: Simplify right side
959,135.21x = 700,737,897,589.02 - Step 5: Solve for x
x = 700,737,897,589.02/959,135.21 - Step 6: Final answer
x = 730,593.45
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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.