Finding the Fourth Proportional to 804,954.80, 1,207,432.20 and 243,916.40
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Solution
The fourth proportional to 804,954.80, 1,207,432.20 and 243,916.40 is: 365,874.60
Step by Step Solution
- Step 1: Write the proportion equation
804,954.80 : 1,207,432.20 = 243,916.40 : x - Step 2: Convert to fraction form
804,954.80/1,207,432.20 = 243,916.40/x - Step 3: Cross multiply
804,954.80x = 1,207,432.20 × 243,916.40 - Step 4: Simplify right side
804,954.80x = 294,512,515,468.08 - Step 5: Solve for x
x = 294,512,515,468.08/804,954.80 - Step 6: Final answer
x = 365,874.60
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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.