Finding the Fourth Proportional to 680,466.14, 939,035.84 and 374,535.96
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Solution
The fourth proportional to 680,466.14, 939,035.84 and 374,535.96 is: 516,855.53
Step by Step Solution
- Step 1: Write the proportion equation
680,466.14 : 939,035.84 = 374,535.96 : x - Step 2: Convert to fraction form
680,466.14/939,035.84 = 374,535.96/x - Step 3: Cross multiply
680,466.14x = 939,035.84 × 374,535.96 - Step 4: Simplify right side
680,466.14x = 351,702,687,936.13 - Step 5: Solve for x
x = 351,702,687,936.13/680,466.14 - Step 6: Final answer
x = 516,855.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.