Finding the Fourth Proportional to 999,125.80, 1,498,688.70 and 325,270.60
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Solution
The fourth proportional to 999,125.80, 1,498,688.70 and 325,270.60 is: 487,905.90
Step by Step Solution
- Step 1: Write the proportion equation
999,125.80 : 1,498,688.70 = 325,270.60 : x - Step 2: Convert to fraction form
999,125.80/1,498,688.70 = 325,270.60/x - Step 3: Cross multiply
999,125.80x = 1,498,688.70 × 325,270.60 - Step 4: Simplify right side
999,125.80x = 487,479,372,662.22 - Step 5: Solve for x
x = 487,479,372,662.22/999,125.80 - Step 6: Final answer
x = 487,905.90
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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.