Finding the Fourth Proportional to 610,414.70, 915,403.35 and 310,795.70
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Solution
The fourth proportional to 610,414.70, 915,403.35 and 310,795.70 is: 466,082.20
Step by Step Solution
- Step 1: Write the proportion equation
610,414.70 : 915,403.35 = 310,795.70 : x - Step 2: Convert to fraction form
610,414.70/915,403.35 = 310,795.70/x - Step 3: Cross multiply
610,414.70x = 915,403.35 × 310,795.70 - Step 4: Simplify right side
610,414.70x = 284,503,424,945.60 - Step 5: Solve for x
x = 284,503,424,945.60/610,414.70 - Step 6: Final answer
x = 466,082.20
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1.5x scale
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.