Finding the Fourth Proportional to 889,190.19, 1,226,968.02 and 507,194.19
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Solution
The fourth proportional to 889,190.19, 1,226,968.02 and 507,194.19 is: 699,862.70
Step by Step Solution
- Step 1: Write the proportion equation
889,190.19 : 1,226,968.02 = 507,194.19 : x - Step 2: Convert to fraction form
889,190.19/1,226,968.02 = 507,194.19/x - Step 3: Cross multiply
889,190.19x = 1,226,968.02 × 507,194.19 - Step 4: Simplify right side
889,190.19x = 622,311,051,059.80 - Step 5: Solve for x
x = 622,311,051,059.80/889,190.19 - Step 6: Final answer
x = 699,862.70
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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.