Finding the Fourth Proportional to 531,104.20, 796,656.30 and 489,113.80
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Solution
The fourth proportional to 531,104.20, 796,656.30 and 489,113.80 is: 733,670.70
Step by Step Solution
- Step 1: Write the proportion equation
531,104.20 : 796,656.30 = 489,113.80 : x - Step 2: Convert to fraction form
531,104.20/796,656.30 = 489,113.80/x - Step 3: Cross multiply
531,104.20x = 796,656.30 × 489,113.80 - Step 4: Simplify right side
531,104.20x = 389,655,590,186.94 - Step 5: Solve for x
x = 389,655,590,186.94/531,104.20 - Step 6: Final answer
x = 733,670.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.