Finding the Fourth Proportional to 957,231.92, 1,320,980.05 and 527,512.05
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Solution
The fourth proportional to 957,231.92, 1,320,980.05 and 527,512.05 is: 727,966.63
Step by Step Solution
- Step 1: Write the proportion equation
957,231.92 : 1,320,980.05 = 527,512.05 : x - Step 2: Convert to fraction form
957,231.92/1,320,980.05 = 527,512.05/x - Step 3: Cross multiply
957,231.92x = 1,320,980.05 × 527,512.05 - Step 4: Simplify right side
957,231.92x = 696,832,894,184.60 - Step 5: Solve for x
x = 696,832,894,184.60/957,231.92 - Step 6: Final answer
x = 727,966.63
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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.