Finding the Fourth Proportional to 993,118.72, 1,370,968.32 and 635,630.08
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Solution
The fourth proportional to 993,118.72, 1,370,968.32 and 635,630.08 is: 877,466.80
Step by Step Solution
- Step 1: Write the proportion equation
993,118.72 : 1,370,968.32 = 635,630.08 : x - Step 2: Convert to fraction form
993,118.72/1,370,968.32 = 635,630.08/x - Step 3: Cross multiply
993,118.72x = 1,370,968.32 × 635,630.08 - Step 4: Simplify right side
993,118.72x = 871,428,702,919.07 - Step 5: Solve for x
x = 871,428,702,919.07/993,118.72 - Step 6: Final answer
x = 877,466.80
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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.