Finding the Fourth Proportional to 880,098.44, 1,214,538.18 and 477,690.44
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Solution
The fourth proportional to 880,098.44, 1,214,538.18 and 477,690.44 is: 659,214.07
Step by Step Solution
- Step 1: Write the proportion equation
880,098.44 : 1,214,538.18 = 477,690.44 : x - Step 2: Convert to fraction form
880,098.44/1,214,538.18 = 477,690.44/x - Step 3: Cross multiply
880,098.44x = 1,214,538.18 × 477,690.44 - Step 4: Simplify right side
880,098.44x = 580,173,277,601.00 - Step 5: Solve for x
x = 580,173,277,601.00/880,098.44 - Step 6: Final answer
x = 659,214.07
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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.