Finding the Fourth Proportional to 1,051,304.70, 1,577,220.30 and 303,350.70
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Solution
The fourth proportional to 1,051,304.70, 1,577,220.30 and 303,350.70 is: 455,102.01
Step by Step Solution
- Step 1: Write the proportion equation
1,051,304.70 : 1,577,220.30 = 303,350.70 : x - Step 2: Convert to fraction form
1,051,304.70/1,577,220.30 = 303,350.70/x - Step 3: Cross multiply
1,051,304.70x = 1,577,220.30 × 303,350.70 - Step 4: Simplify right side
1,051,304.70x = 478,450,882,059.21 - Step 5: Solve for x
x = 478,450,882,059.21/1,051,304.70 - Step 6: Final answer
x = 455,102.01
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1.5x scale
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.