Finding the Fourth Proportional to 986,205.75, 1,479,456.50 and 346,396.68
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Solution
The fourth proportional to 986,205.75, 1,479,456.50 and 346,396.68 is: 519,646.96
Step by Step Solution
- Step 1: Write the proportion equation
986,205.75 : 1,479,456.50 = 346,396.68 : x - Step 2: Convert to fraction form
986,205.75/1,479,456.50 = 346,396.68/x - Step 3: Cross multiply
986,205.75x = 1,479,456.50 × 346,396.68 - Step 4: Simplify right side
986,205.75x = 512,478,819,804.42 - Step 5: Solve for x
x = 512,478,819,804.42/986,205.75 - Step 6: Final answer
x = 519,646.96
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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.