Finding the Fourth Proportional to 612,138.30, 918,207.45 and 601,640.70
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Solution
The fourth proportional to 612,138.30, 918,207.45 and 601,640.70 is: 902,461.05
Step by Step Solution
- Step 1: Write the proportion equation
612,138.30 : 918,207.45 = 601,640.70 : x - Step 2: Convert to fraction form
612,138.30/918,207.45 = 601,640.70/x - Step 3: Cross multiply
612,138.30x = 918,207.45 × 601,640.70 - Step 4: Simplify right side
612,138.30x = 552,430,972,963.22 - Step 5: Solve for x
x = 552,430,972,963.22/612,138.30 - Step 6: Final answer
x = 902,461.05
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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.