Finding the Fourth Proportional to 677,797.74, 935,361.99 and 375,991.74
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Solution
The fourth proportional to 677,797.74, 935,361.99 and 375,991.74 is: 518,869.22
Step by Step Solution
- Step 1: Write the proportion equation
677,797.74 : 935,361.99 = 375,991.74 : x - Step 2: Convert to fraction form
677,797.74/935,361.99 = 375,991.74/x - Step 3: Cross multiply
677,797.74x = 935,361.99 × 375,991.74 - Step 4: Simplify right side
677,797.74x = 351,688,382,149.96 - Step 5: Solve for x
x = 351,688,382,149.96/677,797.74 - Step 6: Final answer
x = 518,869.22
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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.