Finding the Fourth Proportional to 552,161.20, 829,116.60 and 403,445.20
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Solution
The fourth proportional to 552,161.20, 829,116.60 and 403,445.20 is: 605,806.99
Step by Step Solution
- Step 1: Write the proportion equation
552,161.20 : 829,116.60 = 403,445.20 : x - Step 2: Convert to fraction form
552,161.20/829,116.60 = 403,445.20/x - Step 3: Cross multiply
552,161.20x = 829,116.60 × 403,445.20 - Step 4: Simplify right side
552,161.20x = 334,503,112,510.32 - Step 5: Solve for x
x = 334,503,112,510.32/552,161.20 - Step 6: Final answer
x = 605,806.99
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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.