Finding the Fourth Proportional to 902,385.79, 1,353,528.86 and 303,285.08
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Solution
The fourth proportional to 902,385.79, 1,353,528.86 and 303,285.08 is: 454,910.88
Step by Step Solution
- Step 1: Write the proportion equation
902,385.79 : 1,353,528.86 = 303,285.08 : x - Step 2: Convert to fraction form
902,385.79/1,353,528.86 = 303,285.08/x - Step 3: Cross multiply
902,385.79x = 1,353,528.86 × 303,285.08 - Step 4: Simplify right side
902,385.79x = 410,505,110,454.81 - Step 5: Solve for x
x = 410,505,110,454.81/902,385.79 - Step 6: Final answer
x = 454,910.88
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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.