Finding the Fourth Proportional to 693,668.08, 957,241.80 and 387,745.08
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Solution
The fourth proportional to 693,668.08, 957,241.80 and 387,745.08 is: 535,076.95
Step by Step Solution
- Step 1: Write the proportion equation
693,668.08 : 957,241.80 = 387,745.08 : x - Step 2: Convert to fraction form
693,668.08/957,241.80 = 387,745.08/x - Step 3: Cross multiply
693,668.08x = 957,241.80 × 387,745.08 - Step 4: Simplify right side
693,668.08x = 371,165,798,320.34 - Step 5: Solve for x
x = 371,165,798,320.34/693,668.08 - Step 6: Final answer
x = 535,076.95
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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.