Finding the Fourth Proportional to 792,352.67, 1,093,438.65 and 429,768.74
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Solution
The fourth proportional to 792,352.67, 1,093,438.65 and 429,768.74 is: 593,076.50
Step by Step Solution
- Step 1: Write the proportion equation
792,352.67 : 1,093,438.65 = 429,768.74 : x - Step 2: Convert to fraction form
792,352.67/1,093,438.65 = 429,768.74/x - Step 3: Cross multiply
792,352.67x = 1,093,438.65 × 429,768.74 - Step 4: Simplify right side
792,352.67x = 469,925,753,611.40 - Step 5: Solve for x
x = 469,925,753,611.40/792,352.67 - Step 6: Final answer
x = 593,076.50
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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.