Finding the Fourth Proportional to 871,620.62, 1,306,682.14 and 302,927.84
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Solution
The fourth proportional to 871,620.62, 1,306,682.14 and 302,927.84 is: 454,131.52
Step by Step Solution
- Step 1: Write the proportion equation
871,620.62 : 1,306,682.14 = 302,927.84 : x - Step 2: Convert to fraction form
871,620.62/1,306,682.14 = 302,927.84/x - Step 3: Cross multiply
871,620.62x = 1,306,682.14 × 302,927.84 - Step 4: Simplify right side
871,620.62x = 395,830,398,236.78 - Step 5: Solve for x
x = 395,830,398,236.78/871,620.62 - Step 6: Final answer
x = 454,131.52
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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.