Finding the Fourth Proportional to 612,021.63, 844,572.95 and 340,082.49
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Solution
The fourth proportional to 612,021.63, 844,572.95 and 340,082.49 is: 469,304.44
Step by Step Solution
- Step 1: Write the proportion equation
612,021.63 : 844,572.95 = 340,082.49 : x - Step 2: Convert to fraction form
612,021.63/844,572.95 = 340,082.49/x - Step 3: Cross multiply
612,021.63x = 844,572.95 × 340,082.49 - Step 4: Simplify right side
612,021.63x = 287,224,470,122.23 - Step 5: Solve for x
x = 287,224,470,122.23/612,021.63 - Step 6: Final answer
x = 469,304.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.