Finding the Fourth Proportional to 677,916.28, 935,519.79 and 376,110.28
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Solution
The fourth proportional to 677,916.28, 935,519.79 and 376,110.28 is: 519,029.59
Step by Step Solution
- Step 1: Write the proportion equation
677,916.28 : 935,519.79 = 376,110.28 : x - Step 2: Convert to fraction form
677,916.28/935,519.79 = 376,110.28/x - Step 3: Cross multiply
677,916.28x = 935,519.79 × 376,110.28 - Step 4: Simplify right side
677,916.28x = 351,858,610,162.44 - Step 5: Solve for x
x = 351,858,610,162.44/677,916.28 - Step 6: Final answer
x = 519,029.59
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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.