Finding the Fourth Proportional to 626,637.92, 864,793.79 and 354,766.49
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Solution
The fourth proportional to 626,637.92, 864,793.79 and 354,766.49 is: 489,596.69
Step by Step Solution
- Step 1: Write the proportion equation
626,637.92 : 864,793.79 = 354,766.49 : x - Step 2: Convert to fraction form
626,637.92/864,793.79 = 354,766.49/x - Step 3: Cross multiply
626,637.92x = 864,793.79 × 354,766.49 - Step 4: Simplify right side
626,637.92x = 306,799,851,354.30 - Step 5: Solve for x
x = 306,799,851,354.30/626,637.92 - Step 6: Final answer
x = 489,596.69
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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.