Finding the Fourth Proportional to 583,640.94, 805,436.82 and 328,992.06
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Solution
The fourth proportional to 583,640.94, 805,436.82 and 328,992.06 is: 454,015.99
Step by Step Solution
- Step 1: Write the proportion equation
583,640.94 : 805,436.82 = 328,992.06 : x - Step 2: Convert to fraction form
583,640.94/805,436.82 = 328,992.06/x - Step 3: Cross multiply
583,640.94x = 805,436.82 × 328,992.06 - Step 4: Simplify right side
583,640.94x = 264,982,318,611.65 - Step 5: Solve for x
x = 264,982,318,611.65/583,640.94 - Step 6: Final answer
x = 454,015.99
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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.