Finding the Fourth Proportional to 984,355.38, 1,476,656.28 and 385,239.18
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Solution
The fourth proportional to 984,355.38, 1,476,656.28 and 385,239.18 is: 577,906.99
Step by Step Solution
- Step 1: Write the proportion equation
984,355.38 : 1,476,656.28 = 385,239.18 : x - Step 2: Convert to fraction form
984,355.38/1,476,656.28 = 385,239.18/x - Step 3: Cross multiply
984,355.38x = 1,476,656.28 × 385,239.18 - Step 4: Simplify right side
984,355.38x = 568,865,854,449.05 - Step 5: Solve for x
x = 568,865,854,449.05/984,355.38 - Step 6: Final answer
x = 577,906.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.