Finding the Fourth Proportional to 514,868.79, 772,431.81 and 363,361.68
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Solution
The fourth proportional to 514,868.79, 772,431.81 and 363,361.68 is: 545,133.30
Step by Step Solution
- Step 1: Write the proportion equation
514,868.79 : 772,431.81 = 363,361.68 : x - Step 2: Convert to fraction form
514,868.79/772,431.81 = 363,361.68/x - Step 3: Cross multiply
514,868.79x = 772,431.81 × 363,361.68 - Step 4: Simplify right side
514,868.79x = 280,672,118,350.23 - Step 5: Solve for x
x = 280,672,118,350.23/514,868.79 - Step 6: Final answer
x = 545,133.30
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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.