Finding the Fourth Proportional to 489,701.80, 734,552.70 and 252,965.80
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Solution
The fourth proportional to 489,701.80, 734,552.70 and 252,965.80 is: 379,448.70
Step by Step Solution
- Step 1: Write the proportion equation
489,701.80 : 734,552.70 = 252,965.80 : x - Step 2: Convert to fraction form
489,701.80/734,552.70 = 252,965.80/x - Step 3: Cross multiply
489,701.80x = 734,552.70 × 252,965.80 - Step 4: Simplify right side
489,701.80x = 185,816,711,397.66 - Step 5: Solve for x
x = 185,816,711,397.66/489,701.80 - Step 6: Final answer
x = 379,448.70
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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.