Finding the Fourth Proportional to 542,821.80, 814,232.70 and 534,948.60
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Solution
The fourth proportional to 542,821.80, 814,232.70 and 534,948.60 is: 802,422.90
Step by Step Solution
- Step 1: Write the proportion equation
542,821.80 : 814,232.70 = 534,948.60 : x - Step 2: Convert to fraction form
542,821.80/814,232.70 = 534,948.60/x - Step 3: Cross multiply
542,821.80x = 814,232.70 × 534,948.60 - Step 4: Simplify right side
542,821.80x = 435,572,642,939.22 - Step 5: Solve for x
x = 435,572,642,939.22/542,821.80 - Step 6: Final answer
x = 802,422.90
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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.