Finding the Fourth Proportional to 929,471.40, 1,394,207.10 and 574,885.80
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Solution
The fourth proportional to 929,471.40, 1,394,207.10 and 574,885.80 is: 862,328.70
Step by Step Solution
- Step 1: Write the proportion equation
929,471.40 : 1,394,207.10 = 574,885.80 : x - Step 2: Convert to fraction form
929,471.40/1,394,207.10 = 574,885.80/x - Step 3: Cross multiply
929,471.40x = 1,394,207.10 × 574,885.80 - Step 4: Simplify right side
929,471.40x = 801,509,864,049.18 - Step 5: Solve for x
x = 801,509,864,049.18/929,471.40 - Step 6: Final answer
x = 862,328.70
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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.