Finding the Fourth Proportional to 921,733.14, 1,381,649.70 and 352,958.88
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Solution
The fourth proportional to 921,733.14, 1,381,649.70 and 352,958.88 is: 529,074.53
Step by Step Solution
- Step 1: Write the proportion equation
921,733.14 : 1,381,649.70 = 352,958.88 : x - Step 2: Convert to fraction form
921,733.14/1,381,649.70 = 352,958.88/x - Step 3: Cross multiply
921,733.14x = 1,381,649.70 × 352,958.88 - Step 4: Simplify right side
921,733.14x = 487,665,530,664.34 - Step 5: Solve for x
x = 487,665,530,664.34/921,733.14 - Step 6: Final answer
x = 529,074.53
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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.