Finding the Fourth Proportional to 693,888.08, 957,567.16 and 387,975.44
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Solution
The fourth proportional to 693,888.08, 957,567.16 and 387,975.44 is: 535,407.01
Step by Step Solution
- Step 1: Write the proportion equation
693,888.08 : 957,567.16 = 387,975.44 : x - Step 2: Convert to fraction form
693,888.08/957,567.16 = 387,975.44/x - Step 3: Cross multiply
693,888.08x = 957,567.16 × 387,975.44 - Step 4: Simplify right side
693,888.08x = 371,512,540,230.55 - Step 5: Solve for x
x = 371,512,540,230.55/693,888.08 - Step 6: Final answer
x = 535,407.01
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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.