Finding the Fourth Proportional to 947,396.84, 1,418,548.68 and 721,682
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Solution
The fourth proportional to 947,396.84, 1,418,548.68 and 721,682 is: 1,080,583.14
Step by Step Solution
- Step 1: Write the proportion equation
947,396.84 : 1,418,548.68 = 721,682 : x - Step 2: Convert to fraction form
947,396.84/1,418,548.68 = 721,682/x - Step 3: Cross multiply
947,396.84x = 1,418,548.68 × 721,682 - Step 4: Simplify right side
947,396.84x = 1,023,741,048,479.76 - Step 5: Solve for x
x = 1,023,741,048,479.76/947,396.84 - Step 6: Final answer
x = 1,080,583.14
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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.