Finding the Fourth Proportional to 520,753.05, 780,851.75 and 246,911.49
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Solution
The fourth proportional to 520,753.05, 780,851.75 and 246,911.49 is: 370,235.50
Step by Step Solution
- Step 1: Write the proportion equation
520,753.05 : 780,851.75 = 246,911.49 : x - Step 2: Convert to fraction form
520,753.05/780,851.75 = 246,911.49/x - Step 3: Cross multiply
520,753.05x = 780,851.75 × 246,911.49 - Step 4: Simplify right side
520,753.05x = 192,801,267,827.05 - Step 5: Solve for x
x = 192,801,267,827.05/520,753.05 - Step 6: Final answer
x = 370,235.50
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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.