Finding the Fourth Proportional to 677,687.95, 935,216.67 and 371,764.99
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Solution
The fourth proportional to 677,687.95, 935,216.67 and 371,764.99 is: 513,039.69
Step by Step Solution
- Step 1: Write the proportion equation
677,687.95 : 935,216.67 = 371,764.99 : x - Step 2: Convert to fraction form
677,687.95/935,216.67 = 371,764.99/x - Step 3: Cross multiply
677,687.95x = 935,216.67 × 371,764.99 - Step 4: Simplify right side
677,687.95x = 347,680,815,970.38 - Step 5: Solve for x
x = 347,680,815,970.38/677,687.95 - Step 6: Final answer
x = 513,039.69
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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.