Finding the Fourth Proportional to 791,827.92, 1,092,465.63 and 447,630.57
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Solution
The fourth proportional to 791,827.92, 1,092,465.63 and 447,630.57 is: 617,584.96
Step by Step Solution
- Step 1: Write the proportion equation
791,827.92 : 1,092,465.63 = 447,630.57 : x - Step 2: Convert to fraction form
791,827.92/1,092,465.63 = 447,630.57/x - Step 3: Cross multiply
791,827.92x = 1,092,465.63 × 447,630.57 - Step 4: Simplify right side
791,827.92x = 489,021,012,662.31 - Step 5: Solve for x
x = 489,021,012,662.31/791,827.92 - Step 6: Final answer
x = 617,584.96
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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.